Home / 726,788.84-1,091,957.15-686,504.30

Finding the Fourth Proportional to 726,788.84, 1,091,957.15 and 686,504.30

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Solution

The fourth proportional to 726,788.84, 1,091,957.15 and 686,504.30 is: 1,031,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,788.84 : 1,091,957.15 = 686,504.30 : x
  2. Step 2: Convert to fraction form
    726,788.84/1,091,957.15 = 686,504.30/x
  3. Step 3: Cross multiply
    726,788.84x = 1,091,957.15 × 686,504.30
  4. Step 4: Simplify right side
    726,788.84x = 749,633,275,147.22
  5. Step 5: Solve for x
    x = 749,633,275,147.22/726,788.84
  6. Step 6: Final answer
    x = 1,031,432.02

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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.