Home / 1,210,094.20-1,815,141.30-323,630.20

Finding the Fourth Proportional to 1,210,094.20, 1,815,141.30 and 323,630.20

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Solution

The fourth proportional to 1,210,094.20, 1,815,141.30 and 323,630.20 is: 485,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,094.20 : 1,815,141.30 = 323,630.20 : x
  2. Step 2: Convert to fraction form
    1,210,094.20/1,815,141.30 = 323,630.20/x
  3. Step 3: Cross multiply
    1,210,094.20x = 1,815,141.30 × 323,630.20
  4. Step 4: Simplify right side
    1,210,094.20x = 587,434,541,947.26
  5. Step 5: Solve for x
    x = 587,434,541,947.26/1,210,094.20
  6. Step 6: Final answer
    x = 485,445.30

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Half scale
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Double scale
Find fourth proportional to 1,210,095.20, 1,815,142.80 and 323,631.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.