Home / 1,001,135.72-1,381,556.30-542,238.88

Finding the Fourth Proportional to 1,001,135.72, 1,381,556.30 and 542,238.88

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Solution

The fourth proportional to 1,001,135.72, 1,381,556.30 and 542,238.88 is: 748,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,135.72 : 1,381,556.30 = 542,238.88 : x
  2. Step 2: Convert to fraction form
    1,001,135.72/1,381,556.30 = 542,238.88/x
  3. Step 3: Cross multiply
    1,001,135.72x = 1,381,556.30 × 542,238.88
  4. Step 4: Simplify right side
    1,001,135.72x = 749,133,540,768.94
  5. Step 5: Solve for x
    x = 749,133,540,768.94/1,001,135.72
  6. Step 6: Final answer
    x = 748,283.70

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Double scale
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1.5x scale

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.