Home / 1,115,414.55-1,539,267.91-632,072.16

Finding the Fourth Proportional to 1,115,414.55, 1,539,267.91 and 632,072.16

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Solution

The fourth proportional to 1,115,414.55, 1,539,267.91 and 632,072.16 is: 872,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,414.55 : 1,539,267.91 = 632,072.16 : x
  2. Step 2: Convert to fraction form
    1,115,414.55/1,539,267.91 = 632,072.16/x
  3. Step 3: Cross multiply
    1,115,414.55x = 1,539,267.91 × 632,072.16
  4. Step 4: Simplify right side
    1,115,414.55x = 972,928,391,112.21
  5. Step 5: Solve for x
    x = 972,928,391,112.21/1,115,414.55
  6. Step 6: Final answer
    x = 872,257.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.