Home / 1,137,151.76-1,567,400.60-806,120.52

Finding the Fourth Proportional to 1,137,151.76, 1,567,400.60 and 806,120.52

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Solution

The fourth proportional to 1,137,151.76, 1,567,400.60 and 806,120.52 is: 1,111,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,151.76 : 1,567,400.60 = 806,120.52 : x
  2. Step 2: Convert to fraction form
    1,137,151.76/1,567,400.60 = 806,120.52/x
  3. Step 3: Cross multiply
    1,137,151.76x = 1,567,400.60 × 806,120.52
  4. Step 4: Simplify right side
    1,137,151.76x = 1,263,513,786,720.31
  5. Step 5: Solve for x
    x = 1,263,513,786,720.31/1,137,151.76
  6. Step 6: Final answer
    x = 1,111,121.52

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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.