Home / 1,170,419.28-1,755,628.60-328,970.92

Finding the Fourth Proportional to 1,170,419.28, 1,755,628.60 and 328,970.92

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Solution

The fourth proportional to 1,170,419.28, 1,755,628.60 and 328,970.92 is: 493,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,419.28 : 1,755,628.60 = 328,970.92 : x
  2. Step 2: Convert to fraction form
    1,170,419.28/1,755,628.60 = 328,970.92/x
  3. Step 3: Cross multiply
    1,170,419.28x = 1,755,628.60 × 328,970.92
  4. Step 4: Simplify right side
    1,170,419.28x = 577,550,755,720.31
  5. Step 5: Solve for x
    x = 577,550,755,720.31/1,170,419.28
  6. Step 6: Final answer
    x = 493,456.29

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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.