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Finding the Fourth Proportional to 976,673.60, 1,465,010.40 and 880,251.20

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Solution

The fourth proportional to 976,673.60, 1,465,010.40 and 880,251.20 is: 1,320,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,673.60 : 1,465,010.40 = 880,251.20 : x
  2. Step 2: Convert to fraction form
    976,673.60/1,465,010.40 = 880,251.20/x
  3. Step 3: Cross multiply
    976,673.60x = 1,465,010.40 × 880,251.20
  4. Step 4: Simplify right side
    976,673.60x = 1,289,577,162,612.48
  5. Step 5: Solve for x
    x = 1,289,577,162,612.48/976,673.60
  6. Step 6: Final answer
    x = 1,320,376.80

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1.5x scale

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.