Home / 1,210,317.80-1,815,476.70-323,853.80

Finding the Fourth Proportional to 1,210,317.80, 1,815,476.70 and 323,853.80

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Solution

The fourth proportional to 1,210,317.80, 1,815,476.70 and 323,853.80 is: 485,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,317.80 : 1,815,476.70 = 323,853.80 : x
  2. Step 2: Convert to fraction form
    1,210,317.80/1,815,476.70 = 323,853.80/x
  3. Step 3: Cross multiply
    1,210,317.80x = 1,815,476.70 × 323,853.80
  4. Step 4: Simplify right side
    1,210,317.80x = 587,949,028,106.46
  5. Step 5: Solve for x
    x = 587,949,028,106.46/1,210,317.80
  6. Step 6: Final answer
    x = 485,780.70

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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.