Home / 1,540,685.20-2,126,680-1,058,845.36

Finding the Fourth Proportional to 1,540,685.20, 2,126,680 and 1,058,845.36

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Solution

The fourth proportional to 1,540,685.20, 2,126,680 and 1,058,845.36 is: 1,461,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,685.20 : 2,126,680 = 1,058,845.36 : x
  2. Step 2: Convert to fraction form
    1,540,685.20/2,126,680 = 1,058,845.36/x
  3. Step 3: Cross multiply
    1,540,685.20x = 2,126,680 × 1,058,845.36
  4. Step 4: Simplify right side
    1,540,685.20x = 2,251,825,250,204.80
  5. Step 5: Solve for x
    x = 2,251,825,250,204.80/1,540,685.20
  6. Step 6: Final answer
    x = 1,461,573.88

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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.