Home / 1,377,710.10-2,065,853.19-618,902.78

Finding the Fourth Proportional to 1,377,710.10, 2,065,853.19 and 618,902.78

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Solution

The fourth proportional to 1,377,710.10, 2,065,853.19 and 618,902.78 is: 928,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,710.10 : 2,065,853.19 = 618,902.78 : x
  2. Step 2: Convert to fraction form
    1,377,710.10/2,065,853.19 = 618,902.78/x
  3. Step 3: Cross multiply
    1,377,710.10x = 2,065,853.19 × 618,902.78
  4. Step 4: Simplify right side
    1,377,710.10x = 1,278,562,269,132.50
  5. Step 5: Solve for x
    x = 1,278,562,269,132.50/1,377,710.10
  6. Step 6: Final answer
    x = 928,034.33

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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.