Home / 1,301,367.03-1,952,387.10-762,078.75

Finding the Fourth Proportional to 1,301,367.03, 1,952,387.10 and 762,078.75

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Solution

The fourth proportional to 1,301,367.03, 1,952,387.10 and 762,078.75 is: 1,143,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,367.03 : 1,952,387.10 = 762,078.75 : x
  2. Step 2: Convert to fraction form
    1,301,367.03/1,952,387.10 = 762,078.75/x
  3. Step 3: Cross multiply
    1,301,367.03x = 1,952,387.10 × 762,078.75
  4. Step 4: Simplify right side
    1,301,367.03x = 1,487,872,720,684.13
  5. Step 5: Solve for x
    x = 1,487,872,720,684.13/1,301,367.03
  6. Step 6: Final answer
    x = 1,143,315.21

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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.