Home / 1,230,588.60-1,845,882.90-915,660.60

Finding the Fourth Proportional to 1,230,588.60, 1,845,882.90 and 915,660.60

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Solution

The fourth proportional to 1,230,588.60, 1,845,882.90 and 915,660.60 is: 1,373,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,588.60 : 1,845,882.90 = 915,660.60 : x
  2. Step 2: Convert to fraction form
    1,230,588.60/1,845,882.90 = 915,660.60/x
  3. Step 3: Cross multiply
    1,230,588.60x = 1,845,882.90 × 915,660.60
  4. Step 4: Simplify right side
    1,230,588.60x = 1,690,202,243,743.74
  5. Step 5: Solve for x
    x = 1,690,202,243,743.74/1,230,588.60
  6. Step 6: Final answer
    x = 1,373,490.90

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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.