Home / 1,132,147.76-1,562,363.90-622,839.20

Finding the Fourth Proportional to 1,132,147.76, 1,562,363.90 and 622,839.20

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Solution

The fourth proportional to 1,132,147.76, 1,562,363.90 and 622,839.20 is: 859,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,147.76 : 1,562,363.90 = 622,839.20 : x
  2. Step 2: Convert to fraction form
    1,132,147.76/1,562,363.90 = 622,839.20/x
  3. Step 3: Cross multiply
    1,132,147.76x = 1,562,363.90 × 622,839.20
  4. Step 4: Simplify right side
    1,132,147.76x = 973,101,481,584.88
  5. Step 5: Solve for x
    x = 973,101,481,584.88/1,132,147.76
  6. Step 6: Final answer
    x = 859,518.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.