Home / 726,329.08-1,091,272.98-686,044.60

Finding the Fourth Proportional to 726,329.08, 1,091,272.98 and 686,044.60

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Solution

The fourth proportional to 726,329.08, 1,091,272.98 and 686,044.60 is: 1,030,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,329.08 : 1,091,272.98 = 686,044.60 : x
  2. Step 2: Convert to fraction form
    726,329.08/1,091,272.98 = 686,044.60/x
  3. Step 3: Cross multiply
    726,329.08x = 1,091,272.98 × 686,044.60
  4. Step 4: Simplify right side
    726,329.08x = 748,661,935,054.91
  5. Step 5: Solve for x
    x = 748,661,935,054.91/726,329.08
  6. Step 6: Final answer
    x = 1,030,747.57

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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.