Home / 1,235,785.60-1,850,049.60-921,635.20

Finding the Fourth Proportional to 1,235,785.60, 1,850,049.60 and 921,635.20

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Solution

The fourth proportional to 1,235,785.60, 1,850,049.60 and 921,635.20 is: 1,379,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,785.60 : 1,850,049.60 = 921,635.20 : x
  2. Step 2: Convert to fraction form
    1,235,785.60/1,850,049.60 = 921,635.20/x
  3. Step 3: Cross multiply
    1,235,785.60x = 1,850,049.60 × 921,635.20
  4. Step 4: Simplify right side
    1,235,785.60x = 1,705,070,833,105.92
  5. Step 5: Solve for x
    x = 1,705,070,833,105.92/1,235,785.60
  6. Step 6: Final answer
    x = 1,379,746.48

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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.