Home / 1,247,401.59-1,721,856.60-738,102.75

Finding the Fourth Proportional to 1,247,401.59, 1,721,856.60 and 738,102.75

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Solution

The fourth proportional to 1,247,401.59, 1,721,856.60 and 738,102.75 is: 1,018,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,401.59 : 1,721,856.60 = 738,102.75 : x
  2. Step 2: Convert to fraction form
    1,247,401.59/1,721,856.60 = 738,102.75/x
  3. Step 3: Cross multiply
    1,247,401.59x = 1,721,856.60 × 738,102.75
  4. Step 4: Simplify right side
    1,247,401.59x = 1,270,907,091,565.65
  5. Step 5: Solve for x
    x = 1,270,907,091,565.65/1,247,401.59
  6. Step 6: Final answer
    x = 1,018,843.57

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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.