Home / 1,001,279.70-1,501,919.55-291,330.90

Finding the Fourth Proportional to 1,001,279.70, 1,501,919.55 and 291,330.90

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Solution

The fourth proportional to 1,001,279.70, 1,501,919.55 and 291,330.90 is: 436,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,279.70 : 1,501,919.55 = 291,330.90 : x
  2. Step 2: Convert to fraction form
    1,001,279.70/1,501,919.55 = 291,330.90/x
  3. Step 3: Cross multiply
    1,001,279.70x = 1,501,919.55 × 291,330.90
  4. Step 4: Simplify right side
    1,001,279.70x = 437,555,574,229.10
  5. Step 5: Solve for x
    x = 437,555,574,229.10/1,001,279.70
  6. Step 6: Final answer
    x = 436,996.35

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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.