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Finding the Fourth Proportional to 976,906.60, 1,465,359.90 and 880,484.20

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Solution

The fourth proportional to 976,906.60, 1,465,359.90 and 880,484.20 is: 1,320,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,906.60 : 1,465,359.90 = 880,484.20 : x
  2. Step 2: Convert to fraction form
    976,906.60/1,465,359.90 = 880,484.20/x
  3. Step 3: Cross multiply
    976,906.60x = 1,465,359.90 × 880,484.20
  4. Step 4: Simplify right side
    976,906.60x = 1,290,226,239,263.58
  5. Step 5: Solve for x
    x = 1,290,226,239,263.58/976,906.60
  6. Step 6: Final answer
    x = 1,320,726.30

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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.