Home / 1,412,710.88-1,949,562.88-768,132.72

Finding the Fourth Proportional to 1,412,710.88, 1,949,562.88 and 768,132.72

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Solution

The fourth proportional to 1,412,710.88, 1,949,562.88 and 768,132.72 is: 1,060,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,710.88 : 1,949,562.88 = 768,132.72 : x
  2. Step 2: Convert to fraction form
    1,412,710.88/1,949,562.88 = 768,132.72/x
  3. Step 3: Cross multiply
    1,412,710.88x = 1,949,562.88 × 768,132.72
  4. Step 4: Simplify right side
    1,412,710.88x = 1,497,523,035,905.10
  5. Step 5: Solve for x
    x = 1,497,523,035,905.10/1,412,710.88
  6. Step 6: Final answer
    x = 1,060,035.04

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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.