Home / 746,591.06-1,118,142.68-686,305.71

Finding the Fourth Proportional to 746,591.06, 1,118,142.68 and 686,305.71

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Solution

The fourth proportional to 746,591.06, 1,118,142.68 and 686,305.71 is: 1,027,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,591.06 : 1,118,142.68 = 686,305.71 : x
  2. Step 2: Convert to fraction form
    746,591.06/1,118,142.68 = 686,305.71/x
  3. Step 3: Cross multiply
    746,591.06x = 1,118,142.68 × 686,305.71
  4. Step 4: Simplify right side
    746,591.06x = 767,387,702,447.17
  5. Step 5: Solve for x
    x = 767,387,702,447.17/746,591.06
  6. Step 6: Final answer
    x = 1,027,855.47

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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.