Home / 1,517,426.20-2,275,774.80-876,343.60

Finding the Fourth Proportional to 1,517,426.20, 2,275,774.80 and 876,343.60

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Solution

The fourth proportional to 1,517,426.20, 2,275,774.80 and 876,343.60 is: 1,314,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,426.20 : 2,275,774.80 = 876,343.60 : x
  2. Step 2: Convert to fraction form
    1,517,426.20/2,275,774.80 = 876,343.60/x
  3. Step 3: Cross multiply
    1,517,426.20x = 2,275,774.80 × 876,343.60
  4. Step 4: Simplify right side
    1,517,426.20x = 1,994,360,681,021.28
  5. Step 5: Solve for x
    x = 1,994,360,681,021.28/1,517,426.20
  6. Step 6: Final answer
    x = 1,314,304.89

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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.