Home / 1,489,660.40-2,234,490.60-1,153,357.90

Finding the Fourth Proportional to 1,489,660.40, 2,234,490.60 and 1,153,357.90

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Solution

The fourth proportional to 1,489,660.40, 2,234,490.60 and 1,153,357.90 is: 1,730,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,660.40 : 2,234,490.60 = 1,153,357.90 : x
  2. Step 2: Convert to fraction form
    1,489,660.40/2,234,490.60 = 1,153,357.90/x
  3. Step 3: Cross multiply
    1,489,660.40x = 2,234,490.60 × 1,153,357.90
  4. Step 4: Simplify right side
    1,489,660.40x = 2,577,167,385,985.74
  5. Step 5: Solve for x
    x = 2,577,167,385,985.74/1,489,660.40
  6. Step 6: Final answer
    x = 1,730,036.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.