Home / 1,659,891.72-2,290,689.60-924,895.68

Finding the Fourth Proportional to 1,659,891.72, 2,290,689.60 and 924,895.68

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Solution

The fourth proportional to 1,659,891.72, 2,290,689.60 and 924,895.68 is: 1,276,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,891.72 : 2,290,689.60 = 924,895.68 : x
  2. Step 2: Convert to fraction form
    1,659,891.72/2,290,689.60 = 924,895.68/x
  3. Step 3: Cross multiply
    1,659,891.72x = 2,290,689.60 × 924,895.68
  4. Step 4: Simplify right side
    1,659,891.72x = 2,118,648,915,260.93
  5. Step 5: Solve for x
    x = 2,118,648,915,260.93/1,659,891.72
  6. Step 6: Final answer
    x = 1,276,377.78

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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.