Home / 1,412,917.40-1,949,862.84-768,375.20

Finding the Fourth Proportional to 1,412,917.40, 1,949,862.84 and 768,375.20

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Solution

The fourth proportional to 1,412,917.40, 1,949,862.84 and 768,375.20 is: 1,060,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,917.40 : 1,949,862.84 = 768,375.20 : x
  2. Step 2: Convert to fraction form
    1,412,917.40/1,949,862.84 = 768,375.20/x
  3. Step 3: Cross multiply
    1,412,917.40x = 1,949,862.84 × 768,375.20
  4. Step 4: Simplify right side
    1,412,917.40x = 1,498,226,249,657.57
  5. Step 5: Solve for x
    x = 1,498,226,249,657.57/1,412,917.40
  6. Step 6: Final answer
    x = 1,060,377.80

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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.