Home / 1,130,842.62-1,560,542.76-621,544.86

Finding the Fourth Proportional to 1,130,842.62, 1,560,542.76 and 621,544.86

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Solution

The fourth proportional to 1,130,842.62, 1,560,542.76 and 621,544.86 is: 857,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,842.62 : 1,560,542.76 = 621,544.86 : x
  2. Step 2: Convert to fraction form
    1,130,842.62/1,560,542.76 = 621,544.86/x
  3. Step 3: Cross multiply
    1,130,842.62x = 1,560,542.76 × 621,544.86
  4. Step 4: Simplify right side
    1,130,842.62x = 969,947,331,288.21
  5. Step 5: Solve for x
    x = 969,947,331,288.21/1,130,842.62
  6. Step 6: Final answer
    x = 857,720.88

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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.