Home / 1,396,721.28-2,094,224.48-542,795.85

Finding the Fourth Proportional to 1,396,721.28, 2,094,224.48 and 542,795.85

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Solution

The fourth proportional to 1,396,721.28, 2,094,224.48 and 542,795.85 is: 813,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,721.28 : 2,094,224.48 = 542,795.85 : x
  2. Step 2: Convert to fraction form
    1,396,721.28/2,094,224.48 = 542,795.85/x
  3. Step 3: Cross multiply
    1,396,721.28x = 2,094,224.48 × 542,795.85
  4. Step 4: Simplify right side
    1,396,721.28x = 1,136,736,353,998.43
  5. Step 5: Solve for x
    x = 1,136,736,353,998.43/1,396,721.28
  6. Step 6: Final answer
    x = 813,860.55

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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.