Home / 1,118,042.91-1,542,910.28-641,022.75

Finding the Fourth Proportional to 1,118,042.91, 1,542,910.28 and 641,022.75

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Solution

The fourth proportional to 1,118,042.91, 1,542,910.28 and 641,022.75 is: 884,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,042.91 : 1,542,910.28 = 641,022.75 : x
  2. Step 2: Convert to fraction form
    1,118,042.91/1,542,910.28 = 641,022.75/x
  3. Step 3: Cross multiply
    1,118,042.91x = 1,542,910.28 × 641,022.75
  4. Step 4: Simplify right side
    1,118,042.91x = 989,040,587,483.76
  5. Step 5: Solve for x
    x = 989,040,587,483.76/1,118,042.91
  6. Step 6: Final answer
    x = 884,617.74

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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.