Home / 1,361,463.12-1,878,819.30-749,618.28

Finding the Fourth Proportional to 1,361,463.12, 1,878,819.30 and 749,618.28

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Solution

The fourth proportional to 1,361,463.12, 1,878,819.30 and 749,618.28 is: 1,034,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,463.12 : 1,878,819.30 = 749,618.28 : x
  2. Step 2: Convert to fraction form
    1,361,463.12/1,878,819.30 = 749,618.28/x
  3. Step 3: Cross multiply
    1,361,463.12x = 1,878,819.30 × 749,618.28
  4. Step 4: Simplify right side
    1,361,463.12x = 1,408,397,292,096.80
  5. Step 5: Solve for x
    x = 1,408,397,292,096.80/1,361,463.12
  6. Step 6: Final answer
    x = 1,034,473.33

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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.