Home / 1,230,546.60-1,845,819.90-915,618.60

Finding the Fourth Proportional to 1,230,546.60, 1,845,819.90 and 915,618.60

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Solution

The fourth proportional to 1,230,546.60, 1,845,819.90 and 915,618.60 is: 1,373,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,546.60 : 1,845,819.90 = 915,618.60 : x
  2. Step 2: Convert to fraction form
    1,230,546.60/1,845,819.90 = 915,618.60/x
  3. Step 3: Cross multiply
    1,230,546.60x = 1,845,819.90 × 915,618.60
  4. Step 4: Simplify right side
    1,230,546.60x = 1,690,067,032,690.14
  5. Step 5: Solve for x
    x = 1,690,067,032,690.14/1,230,546.60
  6. Step 6: Final answer
    x = 1,373,427.90

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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.