Home / 1,276,479-1,915,046.55-477,772.02

Finding the Fourth Proportional to 1,276,479, 1,915,046.55 and 477,772.02

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Solution

The fourth proportional to 1,276,479, 1,915,046.55 and 477,772.02 is: 716,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,479 : 1,915,046.55 = 477,772.02 : x
  2. Step 2: Convert to fraction form
    1,276,479/1,915,046.55 = 477,772.02/x
  3. Step 3: Cross multiply
    1,276,479x = 1,915,046.55 × 477,772.02
  4. Step 4: Simplify right side
    1,276,479x = 914,955,658,587.53
  5. Step 5: Solve for x
    x = 914,955,658,587.53/1,276,479
  6. Step 6: Final answer
    x = 716,780.82

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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.