Home / 1,412,750.76-1,949,581.86-768,171.12

Finding the Fourth Proportional to 1,412,750.76, 1,949,581.86 and 768,171.12

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Solution

The fourth proportional to 1,412,750.76, 1,949,581.86 and 768,171.12 is: 1,060,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,750.76 : 1,949,581.86 = 768,171.12 : x
  2. Step 2: Convert to fraction form
    1,412,750.76/1,949,581.86 = 768,171.12/x
  3. Step 3: Cross multiply
    1,412,750.76x = 1,949,581.86 × 768,171.12
  4. Step 4: Simplify right side
    1,412,750.76x = 1,497,612,480,927.88
  5. Step 5: Solve for x
    x = 1,497,612,480,927.88/1,412,750.76
  6. Step 6: Final answer
    x = 1,060,068.43

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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.