Home / 1,098,330.10-1,645,745.55-814,894.90

Finding the Fourth Proportional to 1,098,330.10, 1,645,745.55 and 814,894.90

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Solution

The fourth proportional to 1,098,330.10, 1,645,745.55 and 814,894.90 is: 1,221,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,330.10 : 1,645,745.55 = 814,894.90 : x
  2. Step 2: Convert to fraction form
    1,098,330.10/1,645,745.55 = 814,894.90/x
  3. Step 3: Cross multiply
    1,098,330.10x = 1,645,745.55 × 814,894.90
  4. Step 4: Simplify right side
    1,098,330.10x = 1,341,109,655,392.70
  5. Step 5: Solve for x
    x = 1,341,109,655,392.70/1,098,330.10
  6. Step 6: Final answer
    x = 1,221,044.25

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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.