Home / 1,247,798.21-1,721,962.67-674,838.38

Finding the Fourth Proportional to 1,247,798.21, 1,721,962.67 and 674,838.38

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Solution

The fourth proportional to 1,247,798.21, 1,721,962.67 and 674,838.38 is: 931,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,798.21 : 1,721,962.67 = 674,838.38 : x
  2. Step 2: Convert to fraction form
    1,247,798.21/1,721,962.67 = 674,838.38/x
  3. Step 3: Cross multiply
    1,247,798.21x = 1,721,962.67 × 674,838.38
  4. Step 4: Simplify right side
    1,247,798.21x = 1,162,046,491,720.56
  5. Step 5: Solve for x
    x = 1,162,046,491,720.56/1,247,798.21
  6. Step 6: Final answer
    x = 931,277.58

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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.