Home / 1,188,799.38-1,641,179.61-916,270.02

Finding the Fourth Proportional to 1,188,799.38, 1,641,179.61 and 916,270.02

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Solution

The fourth proportional to 1,188,799.38, 1,641,179.61 and 916,270.02 is: 1,264,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,799.38 : 1,641,179.61 = 916,270.02 : x
  2. Step 2: Convert to fraction form
    1,188,799.38/1,641,179.61 = 916,270.02/x
  3. Step 3: Cross multiply
    1,188,799.38x = 1,641,179.61 × 916,270.02
  4. Step 4: Simplify right side
    1,188,799.38x = 1,503,763,674,078.29
  5. Step 5: Solve for x
    x = 1,503,763,674,078.29/1,188,799.38
  6. Step 6: Final answer
    x = 1,264,943.19

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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.