Home / 1,067,110.60-1,600,118.70-319,059.40

Finding the Fourth Proportional to 1,067,110.60, 1,600,118.70 and 319,059.40

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Solution

The fourth proportional to 1,067,110.60, 1,600,118.70 and 319,059.40 is: 478,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,110.60 : 1,600,118.70 = 319,059.40 : x
  2. Step 2: Convert to fraction form
    1,067,110.60/1,600,118.70 = 319,059.40/x
  3. Step 3: Cross multiply
    1,067,110.60x = 1,600,118.70 × 319,059.40
  4. Step 4: Simplify right side
    1,067,110.60x = 510,532,912,350.78
  5. Step 5: Solve for x
    x = 510,532,912,350.78/1,067,110.60
  6. Step 6: Final answer
    x = 478,425.49

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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.