Home / 1,251,503.40-1,878,129.90-803,314.20

Finding the Fourth Proportional to 1,251,503.40, 1,878,129.90 and 803,314.20

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Solution

The fourth proportional to 1,251,503.40, 1,878,129.90 and 803,314.20 is: 1,205,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,503.40 : 1,878,129.90 = 803,314.20 : x
  2. Step 2: Convert to fraction form
    1,251,503.40/1,878,129.90 = 803,314.20/x
  3. Step 3: Cross multiply
    1,251,503.40x = 1,878,129.90 × 803,314.20
  4. Step 4: Simplify right side
    1,251,503.40x = 1,508,728,418,114.58
  5. Step 5: Solve for x
    x = 1,508,728,418,114.58/1,251,503.40
  6. Step 6: Final answer
    x = 1,205,532.82

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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.