Home / 1,126,921.47-1,555,148.52-610,689.66

Finding the Fourth Proportional to 1,126,921.47, 1,555,148.52 and 610,689.66

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Solution

The fourth proportional to 1,126,921.47, 1,555,148.52 and 610,689.66 is: 842,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,921.47 : 1,555,148.52 = 610,689.66 : x
  2. Step 2: Convert to fraction form
    1,126,921.47/1,555,148.52 = 610,689.66/x
  3. Step 3: Cross multiply
    1,126,921.47x = 1,555,148.52 × 610,689.66
  4. Step 4: Simplify right side
    1,126,921.47x = 949,713,120,928.30
  5. Step 5: Solve for x
    x = 949,713,120,928.30/1,126,921.47
  6. Step 6: Final answer
    x = 842,750.05

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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.