Home / 1,412,758.76-1,949,592.90-768,179.12

Finding the Fourth Proportional to 1,412,758.76, 1,949,592.90 and 768,179.12

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Solution

The fourth proportional to 1,412,758.76, 1,949,592.90 and 768,179.12 is: 1,060,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,758.76 : 1,949,592.90 = 768,179.12 : x
  2. Step 2: Convert to fraction form
    1,412,758.76/1,949,592.90 = 768,179.12/x
  3. Step 3: Cross multiply
    1,412,758.76x = 1,949,592.90 × 768,179.12
  4. Step 4: Simplify right side
    1,412,758.76x = 1,497,636,558,280.25
  5. Step 5: Solve for x
    x = 1,497,636,558,280.25/1,412,758.76
  6. Step 6: Final answer
    x = 1,060,079.47

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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.