Home / 1,098,838.34-1,647,740.82-425,236.87

Finding the Fourth Proportional to 1,098,838.34, 1,647,740.82 and 425,236.87

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Solution

The fourth proportional to 1,098,838.34, 1,647,740.82 and 425,236.87 is: 637,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,838.34 : 1,647,740.82 = 425,236.87 : x
  2. Step 2: Convert to fraction form
    1,098,838.34/1,647,740.82 = 425,236.87/x
  3. Step 3: Cross multiply
    1,098,838.34x = 1,647,740.82 × 425,236.87
  4. Step 4: Simplify right side
    1,098,838.34x = 700,680,140,629.33
  5. Step 5: Solve for x
    x = 700,680,140,629.33/1,098,838.34
  6. Step 6: Final answer
    x = 637,655.34

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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.