Home / 1,098,565.98-1,516,064.36-615,126.80

Finding the Fourth Proportional to 1,098,565.98, 1,516,064.36 and 615,126.80

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Solution

The fourth proportional to 1,098,565.98, 1,516,064.36 and 615,126.80 is: 848,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,565.98 : 1,516,064.36 = 615,126.80 : x
  2. Step 2: Convert to fraction form
    1,098,565.98/1,516,064.36 = 615,126.80/x
  3. Step 3: Cross multiply
    1,098,565.98x = 1,516,064.36 × 615,126.80
  4. Step 4: Simplify right side
    1,098,565.98x = 932,571,807,704.89
  5. Step 5: Solve for x
    x = 932,571,807,704.89/1,098,565.98
  6. Step 6: Final answer
    x = 848,899.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.