Home / 1,148,385.60-1,722,945.60-349,819.20

Finding the Fourth Proportional to 1,148,385.60, 1,722,945.60 and 349,819.20

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Solution

The fourth proportional to 1,148,385.60, 1,722,945.60 and 349,819.20 is: 524,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,385.60 : 1,722,945.60 = 349,819.20 : x
  2. Step 2: Convert to fraction form
    1,148,385.60/1,722,945.60 = 349,819.20/x
  3. Step 3: Cross multiply
    1,148,385.60x = 1,722,945.60 × 349,819.20
  4. Step 4: Simplify right side
    1,148,385.60x = 602,719,451,435.52
  5. Step 5: Solve for x
    x = 602,719,451,435.52/1,148,385.60
  6. Step 6: Final answer
    x = 524,840.66

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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.