Home / 1,659,989.08-2,290,106.82-1,225,446.76

Finding the Fourth Proportional to 1,659,989.08, 2,290,106.82 and 1,225,446.76

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Solution

The fourth proportional to 1,659,989.08, 2,290,106.82 and 1,225,446.76 is: 1,690,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,989.08 : 2,290,106.82 = 1,225,446.76 : x
  2. Step 2: Convert to fraction form
    1,659,989.08/2,290,106.82 = 1,225,446.76/x
  3. Step 3: Cross multiply
    1,659,989.08x = 2,290,106.82 × 1,225,446.76
  4. Step 4: Simplify right side
    1,659,989.08x = 2,806,403,982,622.90
  5. Step 5: Solve for x
    x = 2,806,403,982,622.90/1,659,989.08
  6. Step 6: Final answer
    x = 1,690,615.93

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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.