Home / 1,101,974.57-1,652,319.61-427,267.67

Finding the Fourth Proportional to 1,101,974.57, 1,652,319.61 and 427,267.67

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Solution

The fourth proportional to 1,101,974.57, 1,652,319.61 and 427,267.67 is: 640,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,974.57 : 1,652,319.61 = 427,267.67 : x
  2. Step 2: Convert to fraction form
    1,101,974.57/1,652,319.61 = 427,267.67/x
  3. Step 3: Cross multiply
    1,101,974.57x = 1,652,319.61 × 427,267.67
  4. Step 4: Simplify right side
    1,101,974.57x = 705,982,743,404.33
  5. Step 5: Solve for x
    x = 705,982,743,404.33/1,101,974.57
  6. Step 6: Final answer
    x = 640,652.48

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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.