Home / 1,572,543.72-2,359,729.62-661,659.48

Finding the Fourth Proportional to 1,572,543.72, 2,359,729.62 and 661,659.48

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Solution

The fourth proportional to 1,572,543.72, 2,359,729.62 and 661,659.48 is: 992,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,543.72 : 2,359,729.62 = 661,659.48 : x
  2. Step 2: Convert to fraction form
    1,572,543.72/2,359,729.62 = 661,659.48/x
  3. Step 3: Cross multiply
    1,572,543.72x = 2,359,729.62 × 661,659.48
  4. Step 4: Simplify right side
    1,572,543.72x = 1,561,337,473,309.80
  5. Step 5: Solve for x
    x = 1,561,337,473,309.80/1,572,543.72
  6. Step 6: Final answer
    x = 992,873.81

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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.