Home / 1,112,874.40-1,669,311.60-403,411.60

Finding the Fourth Proportional to 1,112,874.40, 1,669,311.60 and 403,411.60

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Solution

The fourth proportional to 1,112,874.40, 1,669,311.60 and 403,411.60 is: 605,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,874.40 : 1,669,311.60 = 403,411.60 : x
  2. Step 2: Convert to fraction form
    1,112,874.40/1,669,311.60 = 403,411.60/x
  3. Step 3: Cross multiply
    1,112,874.40x = 1,669,311.60 × 403,411.60
  4. Step 4: Simplify right side
    1,112,874.40x = 673,419,663,454.56
  5. Step 5: Solve for x
    x = 673,419,663,454.56/1,112,874.40
  6. Step 6: Final answer
    x = 605,117.40

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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.