Home / 915,174.20-1,262,513.22-575,829.56

Finding the Fourth Proportional to 915,174.20, 1,262,513.22 and 575,829.56

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Solution

The fourth proportional to 915,174.20, 1,262,513.22 and 575,829.56 is: 794,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,174.20 : 1,262,513.22 = 575,829.56 : x
  2. Step 2: Convert to fraction form
    915,174.20/1,262,513.22 = 575,829.56/x
  3. Step 3: Cross multiply
    915,174.20x = 1,262,513.22 × 575,829.56
  4. Step 4: Simplify right side
    915,174.20x = 726,992,425,654.22
  5. Step 5: Solve for x
    x = 726,992,425,654.22/915,174.20
  6. Step 6: Final answer
    x = 794,376.01

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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.