Home / 1,395,117-2,092,144.14-826,658.46

Finding the Fourth Proportional to 1,395,117, 2,092,144.14 and 826,658.46

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Solution

The fourth proportional to 1,395,117, 2,092,144.14 and 826,658.46 is: 1,239,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,117 : 2,092,144.14 = 826,658.46 : x
  2. Step 2: Convert to fraction form
    1,395,117/2,092,144.14 = 826,658.46/x
  3. Step 3: Cross multiply
    1,395,117x = 2,092,144.14 × 826,658.46
  4. Step 4: Simplify right side
    1,395,117x = 1,729,488,652,870.42
  5. Step 5: Solve for x
    x = 1,729,488,652,870.42/1,395,117
  6. Step 6: Final answer
    x = 1,239,672.84

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Double scale
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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.