Home / 1,005,911.40-1,508,348.70-374,500.20

Finding the Fourth Proportional to 1,005,911.40, 1,508,348.70 and 374,500.20

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Solution

The fourth proportional to 1,005,911.40, 1,508,348.70 and 374,500.20 is: 561,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,911.40 : 1,508,348.70 = 374,500.20 : x
  2. Step 2: Convert to fraction form
    1,005,911.40/1,508,348.70 = 374,500.20/x
  3. Step 3: Cross multiply
    1,005,911.40x = 1,508,348.70 × 374,500.20
  4. Step 4: Simplify right side
    1,005,911.40x = 564,876,889,819.74
  5. Step 5: Solve for x
    x = 564,876,889,819.74/1,005,911.40
  6. Step 6: Final answer
    x = 561,557.30

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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.