Home / 1,515,771.56-2,091,267.92-1,080,257.49

Finding the Fourth Proportional to 1,515,771.56, 2,091,267.92 and 1,080,257.49

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Solution

The fourth proportional to 1,515,771.56, 2,091,267.92 and 1,080,257.49 is: 1,490,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,771.56 : 2,091,267.92 = 1,080,257.49 : x
  2. Step 2: Convert to fraction form
    1,515,771.56/2,091,267.92 = 1,080,257.49/x
  3. Step 3: Cross multiply
    1,515,771.56x = 2,091,267.92 × 1,080,257.49
  4. Step 4: Simplify right side
    1,515,771.56x = 2,259,107,828,775.43
  5. Step 5: Solve for x
    x = 2,259,107,828,775.43/1,515,771.56
  6. Step 6: Final answer
    x = 1,490,401.26

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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.