Home / 1,516,327.91-2,275,279.07-618,428.39

Finding the Fourth Proportional to 1,516,327.91, 2,275,279.07 and 618,428.39

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Solution

The fourth proportional to 1,516,327.91, 2,275,279.07 and 618,428.39 is: 927,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,327.91 : 2,275,279.07 = 618,428.39 : x
  2. Step 2: Convert to fraction form
    1,516,327.91/2,275,279.07 = 618,428.39/x
  3. Step 3: Cross multiply
    1,516,327.91x = 2,275,279.07 × 618,428.39
  4. Step 4: Simplify right side
    1,516,327.91x = 1,407,097,172,060.80
  5. Step 5: Solve for x
    x = 1,407,097,172,060.80/1,516,327.91
  6. Step 6: Final answer
    x = 927,963.64

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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.