Home / 1,516,720.44-2,275,505.82-663,866.40

Finding the Fourth Proportional to 1,516,720.44, 2,275,505.82 and 663,866.40

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Solution

The fourth proportional to 1,516,720.44, 2,275,505.82 and 663,866.40 is: 995,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,720.44 : 2,275,505.82 = 663,866.40 : x
  2. Step 2: Convert to fraction form
    1,516,720.44/2,275,505.82 = 663,866.40/x
  3. Step 3: Cross multiply
    1,516,720.44x = 2,275,505.82 × 663,866.40
  4. Step 4: Simplify right side
    1,516,720.44x = 1,510,631,856,902.45
  5. Step 5: Solve for x
    x = 1,510,631,856,902.45/1,516,720.44
  6. Step 6: Final answer
    x = 995,985.69

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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.