Home / 971,946.31-1,456,737.51-687,718.78

Finding the Fourth Proportional to 971,946.31, 1,456,737.51 and 687,718.78

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Solution

The fourth proportional to 971,946.31, 1,456,737.51 and 687,718.78 is: 1,030,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,946.31 : 1,456,737.51 = 687,718.78 : x
  2. Step 2: Convert to fraction form
    971,946.31/1,456,737.51 = 687,718.78/x
  3. Step 3: Cross multiply
    971,946.31x = 1,456,737.51 × 687,718.78
  4. Step 4: Simplify right side
    971,946.31x = 1,001,825,746,191.61
  5. Step 5: Solve for x
    x = 1,001,825,746,191.61/971,946.31
  6. Step 6: Final answer
    x = 1,030,741.86

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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.