Home / 1,092,269.10-1,641,902.85-778,896.30

Finding the Fourth Proportional to 1,092,269.10, 1,641,902.85 and 778,896.30

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Solution

The fourth proportional to 1,092,269.10, 1,641,902.85 and 778,896.30 is: 1,170,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,269.10 : 1,641,902.85 = 778,896.30 : x
  2. Step 2: Convert to fraction form
    1,092,269.10/1,641,902.85 = 778,896.30/x
  3. Step 3: Cross multiply
    1,092,269.10x = 1,641,902.85 × 778,896.30
  4. Step 4: Simplify right side
    1,092,269.10x = 1,278,872,054,824.46
  5. Step 5: Solve for x
    x = 1,278,872,054,824.46/1,092,269.10
  6. Step 6: Final answer
    x = 1,170,839.73

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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.