Home / 1,680,371.28-2,318,819.88-955,118.16

Finding the Fourth Proportional to 1,680,371.28, 2,318,819.88 and 955,118.16

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Solution

The fourth proportional to 1,680,371.28, 2,318,819.88 and 955,118.16 is: 1,318,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,371.28 : 2,318,819.88 = 955,118.16 : x
  2. Step 2: Convert to fraction form
    1,680,371.28/2,318,819.88 = 955,118.16/x
  3. Step 3: Cross multiply
    1,680,371.28x = 2,318,819.88 × 955,118.16
  4. Step 4: Simplify right side
    1,680,371.28x = 2,214,746,977,157.02
  5. Step 5: Solve for x
    x = 2,214,746,977,157.02/1,680,371.28
  6. Step 6: Final answer
    x = 1,318,010.49

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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.