Home / 1,680,047.60-2,318,265.24-954,633.20

Finding the Fourth Proportional to 1,680,047.60, 2,318,265.24 and 954,633.20

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Solution

The fourth proportional to 1,680,047.60, 2,318,265.24 and 954,633.20 is: 1,317,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,047.60 : 2,318,265.24 = 954,633.20 : x
  2. Step 2: Convert to fraction form
    1,680,047.60/2,318,265.24 = 954,633.20/x
  3. Step 3: Cross multiply
    1,680,047.60x = 2,318,265.24 × 954,633.20
  4. Step 4: Simplify right side
    1,680,047.60x = 2,213,092,964,509.97
  5. Step 5: Solve for x
    x = 2,213,092,964,509.97/1,680,047.60
  6. Step 6: Final answer
    x = 1,317,279.92

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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.