Home / 1,519,915.59-2,279,871.54-720,761.13

Finding the Fourth Proportional to 1,519,915.59, 2,279,871.54 and 720,761.13

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Solution

The fourth proportional to 1,519,915.59, 2,279,871.54 and 720,761.13 is: 1,081,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,915.59 : 2,279,871.54 = 720,761.13 : x
  2. Step 2: Convert to fraction form
    1,519,915.59/2,279,871.54 = 720,761.13/x
  3. Step 3: Cross multiply
    1,519,915.59x = 2,279,871.54 × 720,761.13
  4. Step 4: Simplify right side
    1,519,915.59x = 1,643,242,787,425.24
  5. Step 5: Solve for x
    x = 1,643,242,787,425.24/1,519,915.59
  6. Step 6: Final answer
    x = 1,081,140.82

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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.