Home / 1,100,042.87-1,650,065.62-301,331.30

Finding the Fourth Proportional to 1,100,042.87, 1,650,065.62 and 301,331.30

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Solution

The fourth proportional to 1,100,042.87, 1,650,065.62 and 301,331.30 is: 451,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,042.87 : 1,650,065.62 = 301,331.30 : x
  2. Step 2: Convert to fraction form
    1,100,042.87/1,650,065.62 = 301,331.30/x
  3. Step 3: Cross multiply
    1,100,042.87x = 1,650,065.62 × 301,331.30
  4. Step 4: Simplify right side
    1,100,042.87x = 497,216,418,359.91
  5. Step 5: Solve for x
    x = 497,216,418,359.91/1,100,042.87
  6. Step 6: Final answer
    x = 451,997.31

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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.