Home / 915,173.20-1,262,511.85-575,828.56

Finding the Fourth Proportional to 915,173.20, 1,262,511.85 and 575,828.56

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Solution

The fourth proportional to 915,173.20, 1,262,511.85 and 575,828.56 is: 794,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,173.20 : 1,262,511.85 = 575,828.56 : x
  2. Step 2: Convert to fraction form
    915,173.20/1,262,511.85 = 575,828.56/x
  3. Step 3: Cross multiply
    915,173.20x = 1,262,511.85 × 575,828.56
  4. Step 4: Simplify right side
    915,173.20x = 726,990,371,376.73
  5. Step 5: Solve for x
    x = 726,990,371,376.73/915,173.20
  6. Step 6: Final answer
    x = 794,374.63

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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.