Home / 1,540,571.20-2,126,522.72-1,058,731.36

Finding the Fourth Proportional to 1,540,571.20, 2,126,522.72 and 1,058,731.36

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Solution

The fourth proportional to 1,540,571.20, 2,126,522.72 and 1,058,731.36 is: 1,461,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,571.20 : 2,126,522.72 = 1,058,731.36 : x
  2. Step 2: Convert to fraction form
    1,540,571.20/2,126,522.72 = 1,058,731.36/x
  3. Step 3: Cross multiply
    1,540,571.20x = 2,126,522.72 × 1,058,731.36
  4. Step 4: Simplify right side
    1,540,571.20x = 2,251,416,291,416.50
  5. Step 5: Solve for x
    x = 2,251,416,291,416.50/1,540,571.20
  6. Step 6: Final answer
    x = 1,461,416.58

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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.