Home / 1,101,470.52-1,651,243.50-427,087.20

Finding the Fourth Proportional to 1,101,470.52, 1,651,243.50 and 427,087.20

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Solution

The fourth proportional to 1,101,470.52, 1,651,243.50 and 427,087.20 is: 640,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,470.52 : 1,651,243.50 = 427,087.20 : x
  2. Step 2: Convert to fraction form
    1,101,470.52/1,651,243.50 = 427,087.20/x
  3. Step 3: Cross multiply
    1,101,470.52x = 1,651,243.50 × 427,087.20
  4. Step 4: Simplify right side
    1,101,470.52x = 705,224,962,933.20
  5. Step 5: Solve for x
    x = 705,224,962,933.20/1,101,470.52
  6. Step 6: Final answer
    x = 640,257.68

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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.