Home / 1,515,216.92-2,273,240.57-756,142.02

Finding the Fourth Proportional to 1,515,216.92, 2,273,240.57 and 756,142.02

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Solution

The fourth proportional to 1,515,216.92, 2,273,240.57 and 756,142.02 is: 1,134,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,216.92 : 2,273,240.57 = 756,142.02 : x
  2. Step 2: Convert to fraction form
    1,515,216.92/2,273,240.57 = 756,142.02/x
  3. Step 3: Cross multiply
    1,515,216.92x = 2,273,240.57 × 756,142.02
  4. Step 4: Simplify right side
    1,515,216.92x = 1,718,892,712,765.04
  5. Step 5: Solve for x
    x = 1,718,892,712,765.04/1,515,216.92
  6. Step 6: Final answer
    x = 1,134,420.22

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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.