Home / 1,294,567.92-1,786,478.22-721,573.92

Finding the Fourth Proportional to 1,294,567.92, 1,786,478.22 and 721,573.92

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Solution

The fourth proportional to 1,294,567.92, 1,786,478.22 and 721,573.92 is: 995,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,567.92 : 1,786,478.22 = 721,573.92 : x
  2. Step 2: Convert to fraction form
    1,294,567.92/1,786,478.22 = 721,573.92/x
  3. Step 3: Cross multiply
    1,294,567.92x = 1,786,478.22 × 721,573.92
  4. Step 4: Simplify right side
    1,294,567.92x = 1,289,076,092,200.02
  5. Step 5: Solve for x
    x = 1,289,076,092,200.02/1,294,567.92
  6. Step 6: Final answer
    x = 995,757.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.