Home / 1,188,073.32-1,781,520.33-378,352.20

Finding the Fourth Proportional to 1,188,073.32, 1,781,520.33 and 378,352.20

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Solution

The fourth proportional to 1,188,073.32, 1,781,520.33 and 378,352.20 is: 567,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,073.32 : 1,781,520.33 = 378,352.20 : x
  2. Step 2: Convert to fraction form
    1,188,073.32/1,781,520.33 = 378,352.20/x
  3. Step 3: Cross multiply
    1,188,073.32x = 1,781,520.33 × 378,352.20
  4. Step 4: Simplify right side
    1,188,073.32x = 674,042,136,200.23
  5. Step 5: Solve for x
    x = 674,042,136,200.23/1,188,073.32
  6. Step 6: Final answer
    x = 567,340.52

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Double scale
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Similar ratio
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1.5x scale

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.