Home / 1,255,340.20-1,883,010.30-724,498.60

Finding the Fourth Proportional to 1,255,340.20, 1,883,010.30 and 724,498.60

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Solution

The fourth proportional to 1,255,340.20, 1,883,010.30 and 724,498.60 is: 1,086,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,340.20 : 1,883,010.30 = 724,498.60 : x
  2. Step 2: Convert to fraction form
    1,255,340.20/1,883,010.30 = 724,498.60/x
  3. Step 3: Cross multiply
    1,255,340.20x = 1,883,010.30 × 724,498.60
  4. Step 4: Simplify right side
    1,255,340.20x = 1,364,238,326,135.58
  5. Step 5: Solve for x
    x = 1,364,238,326,135.58/1,255,340.20
  6. Step 6: Final answer
    x = 1,086,747.90

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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.