Home / 1,459,395.09-2,189,209.41-512,978.13

Finding the Fourth Proportional to 1,459,395.09, 2,189,209.41 and 512,978.13

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Solution

The fourth proportional to 1,459,395.09, 2,189,209.41 and 512,978.13 is: 769,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,395.09 : 2,189,209.41 = 512,978.13 : x
  2. Step 2: Convert to fraction form
    1,459,395.09/2,189,209.41 = 512,978.13/x
  3. Step 3: Cross multiply
    1,459,395.09x = 2,189,209.41 × 512,978.13
  4. Step 4: Simplify right side
    1,459,395.09x = 1,123,016,549,320.20
  5. Step 5: Solve for x
    x = 1,123,016,549,320.20/1,459,395.09
  6. Step 6: Final answer
    x = 769,508.24

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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.