Home / 1,055,962.74-1,455,818.85-838,891.65

Finding the Fourth Proportional to 1,055,962.74, 1,455,818.85 and 838,891.65

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Solution

The fourth proportional to 1,055,962.74, 1,455,818.85 and 838,891.65 is: 1,156,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,962.74 : 1,455,818.85 = 838,891.65 : x
  2. Step 2: Convert to fraction form
    1,055,962.74/1,455,818.85 = 838,891.65/x
  3. Step 3: Cross multiply
    1,055,962.74x = 1,455,818.85 × 838,891.65
  4. Step 4: Simplify right side
    1,055,962.74x = 1,221,274,277,177.60
  5. Step 5: Solve for x
    x = 1,221,274,277,177.60/1,055,962.74
  6. Step 6: Final answer
    x = 1,156,550.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.