Home / 1,517,403.20-2,275,740.30-876,320.60

Finding the Fourth Proportional to 1,517,403.20, 2,275,740.30 and 876,320.60

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Solution

The fourth proportional to 1,517,403.20, 2,275,740.30 and 876,320.60 is: 1,314,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,403.20 : 2,275,740.30 = 876,320.60 : x
  2. Step 2: Convert to fraction form
    1,517,403.20/2,275,740.30 = 876,320.60/x
  3. Step 3: Cross multiply
    1,517,403.20x = 2,275,740.30 × 876,320.60
  4. Step 4: Simplify right side
    1,517,403.20x = 1,994,278,105,140.18
  5. Step 5: Solve for x
    x = 1,994,278,105,140.18/1,517,403.20
  6. Step 6: Final answer
    x = 1,314,270.40

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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.