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Finding the Fourth Proportional to 969,152.74, 1,337,202 and 814,691.29

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Solution

The fourth proportional to 969,152.74, 1,337,202 and 814,691.29 is: 1,124,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,152.74 : 1,337,202 = 814,691.29 : x
  2. Step 2: Convert to fraction form
    969,152.74/1,337,202 = 814,691.29/x
  3. Step 3: Cross multiply
    969,152.74x = 1,337,202 × 814,691.29
  4. Step 4: Simplify right side
    969,152.74x = 1,089,406,822,370.58
  5. Step 5: Solve for x
    x = 1,089,406,822,370.58/969,152.74
  6. Step 6: Final answer
    x = 1,124,081.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.