Home / 1,058,868.80-1,586,229.60-636,891.20

Finding the Fourth Proportional to 1,058,868.80, 1,586,229.60 and 636,891.20

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Solution

The fourth proportional to 1,058,868.80, 1,586,229.60 and 636,891.20 is: 954,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,868.80 : 1,586,229.60 = 636,891.20 : x
  2. Step 2: Convert to fraction form
    1,058,868.80/1,586,229.60 = 636,891.20/x
  3. Step 3: Cross multiply
    1,058,868.80x = 1,586,229.60 × 636,891.20
  4. Step 4: Simplify right side
    1,058,868.80x = 1,010,255,673,419.52
  5. Step 5: Solve for x
    x = 1,010,255,673,419.52/1,058,868.80
  6. Step 6: Final answer
    x = 954,089.57

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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.