Home / 971,248.40-1,456,872.60-747,040.40

Finding the Fourth Proportional to 971,248.40, 1,456,872.60 and 747,040.40

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Solution

The fourth proportional to 971,248.40, 1,456,872.60 and 747,040.40 is: 1,120,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,248.40 : 1,456,872.60 = 747,040.40 : x
  2. Step 2: Convert to fraction form
    971,248.40/1,456,872.60 = 747,040.40/x
  3. Step 3: Cross multiply
    971,248.40x = 1,456,872.60 × 747,040.40
  4. Step 4: Simplify right side
    971,248.40x = 1,088,342,689,853.04
  5. Step 5: Solve for x
    x = 1,088,342,689,853.04/971,248.40
  6. Step 6: Final answer
    x = 1,120,560.60

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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.