Home / 1,098,404.95-1,647,870.48-458,352.64

Finding the Fourth Proportional to 1,098,404.95, 1,647,870.48 and 458,352.64

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Solution

The fourth proportional to 1,098,404.95, 1,647,870.48 and 458,352.64 is: 687,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,404.95 : 1,647,870.48 = 458,352.64 : x
  2. Step 2: Convert to fraction form
    1,098,404.95/1,647,870.48 = 458,352.64/x
  3. Step 3: Cross multiply
    1,098,404.95x = 1,647,870.48 × 458,352.64
  4. Step 4: Simplify right side
    1,098,404.95x = 755,305,781,680.35
  5. Step 5: Solve for x
    x = 755,305,781,680.35/1,098,404.95
  6. Step 6: Final answer
    x = 687,638.73

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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.