Home / 971,957.46-1,456,754.20-687,729.91

Finding the Fourth Proportional to 971,957.46, 1,456,754.20 and 687,729.91

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Solution

The fourth proportional to 971,957.46, 1,456,754.20 and 687,729.91 is: 1,030,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,957.46 : 1,456,754.20 = 687,729.91 : x
  2. Step 2: Convert to fraction form
    971,957.46/1,456,754.20 = 687,729.91/x
  3. Step 3: Cross multiply
    971,957.46x = 1,456,754.20 × 687,729.91
  4. Step 4: Simplify right side
    971,957.46x = 1,001,853,434,858.12
  5. Step 5: Solve for x
    x = 1,001,853,434,858.12/971,957.46
  6. Step 6: Final answer
    x = 1,030,758.52

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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.