Home / 1,098,390.40-1,647,585.60-673,237.60

Finding the Fourth Proportional to 1,098,390.40, 1,647,585.60 and 673,237.60

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Solution

The fourth proportional to 1,098,390.40, 1,647,585.60 and 673,237.60 is: 1,009,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,390.40 : 1,647,585.60 = 673,237.60 : x
  2. Step 2: Convert to fraction form
    1,098,390.40/1,647,585.60 = 673,237.60/x
  3. Step 3: Cross multiply
    1,098,390.40x = 1,647,585.60 × 673,237.60
  4. Step 4: Simplify right side
    1,098,390.40x = 1,109,216,575,138.56
  5. Step 5: Solve for x
    x = 1,109,216,575,138.56/1,098,390.40
  6. Step 6: Final answer
    x = 1,009,856.40

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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.