Home / 1,002,003.20-1,503,062.40-292,140.80

Finding the Fourth Proportional to 1,002,003.20, 1,503,062.40 and 292,140.80

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Solution

The fourth proportional to 1,002,003.20, 1,503,062.40 and 292,140.80 is: 438,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,003.20 : 1,503,062.40 = 292,140.80 : x
  2. Step 2: Convert to fraction form
    1,002,003.20/1,503,062.40 = 292,140.80/x
  3. Step 3: Cross multiply
    1,002,003.20x = 1,503,062.40 × 292,140.80
  4. Step 4: Simplify right side
    1,002,003.20x = 439,105,851,985.92
  5. Step 5: Solve for x
    x = 439,105,851,985.92/1,002,003.20
  6. Step 6: Final answer
    x = 438,227.99

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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.