Home / 1,002,090.90-1,503,136.35-292,190.70

Finding the Fourth Proportional to 1,002,090.90, 1,503,136.35 and 292,190.70

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Solution

The fourth proportional to 1,002,090.90, 1,503,136.35 and 292,190.70 is: 438,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,090.90 : 1,503,136.35 = 292,190.70 : x
  2. Step 2: Convert to fraction form
    1,002,090.90/1,503,136.35 = 292,190.70/x
  3. Step 3: Cross multiply
    1,002,090.90x = 1,503,136.35 × 292,190.70
  4. Step 4: Simplify right side
    1,002,090.90x = 439,202,462,301.95
  5. Step 5: Solve for x
    x = 439,202,462,301.95/1,002,090.90
  6. Step 6: Final answer
    x = 438,286.05

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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.