Home / 1,517,427.20-2,275,776.30-876,344.60

Finding the Fourth Proportional to 1,517,427.20, 2,275,776.30 and 876,344.60

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Solution

The fourth proportional to 1,517,427.20, 2,275,776.30 and 876,344.60 is: 1,314,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,427.20 : 2,275,776.30 = 876,344.60 : x
  2. Step 2: Convert to fraction form
    1,517,427.20/2,275,776.30 = 876,344.60/x
  3. Step 3: Cross multiply
    1,517,427.20x = 2,275,776.30 × 876,344.60
  4. Step 4: Simplify right side
    1,517,427.20x = 1,994,364,271,312.98
  5. Step 5: Solve for x
    x = 1,994,364,271,312.98/1,517,427.20
  6. Step 6: Final answer
    x = 1,314,306.39

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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.