Home / 1,659,988.08-2,290,105.44-1,225,445.76

Finding the Fourth Proportional to 1,659,988.08, 2,290,105.44 and 1,225,445.76

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Solution

The fourth proportional to 1,659,988.08, 2,290,105.44 and 1,225,445.76 is: 1,690,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,988.08 : 2,290,105.44 = 1,225,445.76 : x
  2. Step 2: Convert to fraction form
    1,659,988.08/2,290,105.44 = 1,225,445.76/x
  3. Step 3: Cross multiply
    1,659,988.08x = 2,290,105.44 × 1,225,445.76
  4. Step 4: Simplify right side
    1,659,988.08x = 2,806,400,001,400.93
  5. Step 5: Solve for x
    x = 2,806,400,001,400.93/1,659,988.08
  6. Step 6: Final answer
    x = 1,690,614.55

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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.