Home / 1,015,663.68-1,523,500.92-305,686.80

Finding the Fourth Proportional to 1,015,663.68, 1,523,500.92 and 305,686.80

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Solution

The fourth proportional to 1,015,663.68, 1,523,500.92 and 305,686.80 is: 458,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,663.68 : 1,523,500.92 = 305,686.80 : x
  2. Step 2: Convert to fraction form
    1,015,663.68/1,523,500.92 = 305,686.80/x
  3. Step 3: Cross multiply
    1,015,663.68x = 1,523,500.92 × 305,686.80
  4. Step 4: Simplify right side
    1,015,663.68x = 465,714,121,031.86
  5. Step 5: Solve for x
    x = 465,714,121,031.86/1,015,663.68
  6. Step 6: Final answer
    x = 458,531.83

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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.