Home / 1,515,356.30-2,272,951.33-916,156.58

Finding the Fourth Proportional to 1,515,356.30, 2,272,951.33 and 916,156.58

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Solution

The fourth proportional to 1,515,356.30, 2,272,951.33 and 916,156.58 is: 1,374,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,356.30 : 2,272,951.33 = 916,156.58 : x
  2. Step 2: Convert to fraction form
    1,515,356.30/2,272,951.33 = 916,156.58/x
  3. Step 3: Cross multiply
    1,515,356.30x = 2,272,951.33 × 916,156.58
  4. Step 4: Simplify right side
    1,515,356.30x = 2,082,379,303,344.10
  5. Step 5: Solve for x
    x = 2,082,379,303,344.10/1,515,356.30
  6. Step 6: Final answer
    x = 1,374,184.61

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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.