Home / 1,555,362.20-2,333,043.30-433,431.20

Finding the Fourth Proportional to 1,555,362.20, 2,333,043.30 and 433,431.20

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Solution

The fourth proportional to 1,555,362.20, 2,333,043.30 and 433,431.20 is: 650,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,362.20 : 2,333,043.30 = 433,431.20 : x
  2. Step 2: Convert to fraction form
    1,555,362.20/2,333,043.30 = 433,431.20/x
  3. Step 3: Cross multiply
    1,555,362.20x = 2,333,043.30 × 433,431.20
  4. Step 4: Simplify right side
    1,555,362.20x = 1,011,213,757,170.96
  5. Step 5: Solve for x
    x = 1,011,213,757,170.96/1,555,362.20
  6. Step 6: Final answer
    x = 650,146.80

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Double scale
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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.