Home / 880,354.45-1,320,531.68-820,868.05

Finding the Fourth Proportional to 880,354.45, 1,320,531.68 and 820,868.05

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Solution

The fourth proportional to 880,354.45, 1,320,531.68 and 820,868.05 is: 1,231,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,354.45 : 1,320,531.68 = 820,868.05 : x
  2. Step 2: Convert to fraction form
    880,354.45/1,320,531.68 = 820,868.05/x
  3. Step 3: Cross multiply
    880,354.45x = 1,320,531.68 × 820,868.05
  4. Step 4: Simplify right side
    880,354.45x = 1,083,982,261,020.48
  5. Step 5: Solve for x
    x = 1,083,982,261,020.48/880,354.45
  6. Step 6: Final answer
    x = 1,231,302.08

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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.