Home / 1,517,429.20-2,275,779.30-876,346.60

Finding the Fourth Proportional to 1,517,429.20, 2,275,779.30 and 876,346.60

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Solution

The fourth proportional to 1,517,429.20, 2,275,779.30 and 876,346.60 is: 1,314,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,429.20 : 2,275,779.30 = 876,346.60 : x
  2. Step 2: Convert to fraction form
    1,517,429.20/2,275,779.30 = 876,346.60/x
  3. Step 3: Cross multiply
    1,517,429.20x = 2,275,779.30 × 876,346.60
  4. Step 4: Simplify right side
    1,517,429.20x = 1,994,371,451,905.38
  5. Step 5: Solve for x
    x = 1,994,371,451,905.38/1,517,429.20
  6. Step 6: Final answer
    x = 1,314,309.39

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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.