Home / 1,098,839.34-1,647,742.32-425,237.87

Finding the Fourth Proportional to 1,098,839.34, 1,647,742.32 and 425,237.87

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Solution

The fourth proportional to 1,098,839.34, 1,647,742.32 and 425,237.87 is: 637,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,839.34 : 1,647,742.32 = 425,237.87 : x
  2. Step 2: Convert to fraction form
    1,098,839.34/1,647,742.32 = 425,237.87/x
  3. Step 3: Cross multiply
    1,098,839.34x = 1,647,742.32 × 425,237.87
  4. Step 4: Simplify right side
    1,098,839.34x = 700,682,434,465.66
  5. Step 5: Solve for x
    x = 700,682,434,465.66/1,098,839.34
  6. Step 6: Final answer
    x = 637,656.85

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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.