Home / 1,217,534.44-1,680,873.24-734,222.02

Finding the Fourth Proportional to 1,217,534.44, 1,680,873.24 and 734,222.02

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Solution

The fourth proportional to 1,217,534.44, 1,680,873.24 and 734,222.02 is: 1,013,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,534.44 : 1,680,873.24 = 734,222.02 : x
  2. Step 2: Convert to fraction form
    1,217,534.44/1,680,873.24 = 734,222.02/x
  3. Step 3: Cross multiply
    1,217,534.44x = 1,680,873.24 × 734,222.02
  4. Step 4: Simplify right side
    1,217,534.44x = 1,234,134,145,636.74
  5. Step 5: Solve for x
    x = 1,234,134,145,636.74/1,217,534.44
  6. Step 6: Final answer
    x = 1,013,633.87

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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.