Home / 1,515,758.61-2,091,250.13-1,080,244.56

Finding the Fourth Proportional to 1,515,758.61, 2,091,250.13 and 1,080,244.56

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Solution

The fourth proportional to 1,515,758.61, 2,091,250.13 and 1,080,244.56 is: 1,490,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,758.61 : 2,091,250.13 = 1,080,244.56 : x
  2. Step 2: Convert to fraction form
    1,515,758.61/2,091,250.13 = 1,080,244.56/x
  3. Step 3: Cross multiply
    1,515,758.61x = 2,091,250.13 × 1,080,244.56
  4. Step 4: Simplify right side
    1,515,758.61x = 2,259,061,571,130.57
  5. Step 5: Solve for x
    x = 2,259,061,571,130.57/1,515,758.61
  6. Step 6: Final answer
    x = 1,490,383.47

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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.