Home / 1,129,724.88-1,559,491.56-807,565.20

Finding the Fourth Proportional to 1,129,724.88, 1,559,491.56 and 807,565.20

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Solution

The fourth proportional to 1,129,724.88, 1,559,491.56 and 807,565.20 is: 1,114,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,724.88 : 1,559,491.56 = 807,565.20 : x
  2. Step 2: Convert to fraction form
    1,129,724.88/1,559,491.56 = 807,565.20/x
  3. Step 3: Cross multiply
    1,129,724.88x = 1,559,491.56 × 807,565.20
  4. Step 4: Simplify right side
    1,129,724.88x = 1,259,391,113,549.71
  5. Step 5: Solve for x
    x = 1,259,391,113,549.71/1,129,724.88
  6. Step 6: Final answer
    x = 1,114,776.82

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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.