Home / 971,356.20-1,457,034.30-876,877.80

Finding the Fourth Proportional to 971,356.20, 1,457,034.30 and 876,877.80

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Solution

The fourth proportional to 971,356.20, 1,457,034.30 and 876,877.80 is: 1,315,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,356.20 : 1,457,034.30 = 876,877.80 : x
  2. Step 2: Convert to fraction form
    971,356.20/1,457,034.30 = 876,877.80/x
  3. Step 3: Cross multiply
    971,356.20x = 1,457,034.30 × 876,877.80
  4. Step 4: Simplify right side
    971,356.20x = 1,277,641,031,508.54
  5. Step 5: Solve for x
    x = 1,277,641,031,508.54/971,356.20
  6. Step 6: Final answer
    x = 1,315,316.70

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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.