Home / 1,515,652.78-2,091,601.02-836,589.46

Finding the Fourth Proportional to 1,515,652.78, 2,091,601.02 and 836,589.46

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Solution

The fourth proportional to 1,515,652.78, 2,091,601.02 and 836,589.46 is: 1,154,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,652.78 : 2,091,601.02 = 836,589.46 : x
  2. Step 2: Convert to fraction form
    1,515,652.78/2,091,601.02 = 836,589.46/x
  3. Step 3: Cross multiply
    1,515,652.78x = 2,091,601.02 × 836,589.46
  4. Step 4: Simplify right side
    1,515,652.78x = 1,749,811,367,857.25
  5. Step 5: Solve for x
    x = 1,749,811,367,857.25/1,515,652.78
  6. Step 6: Final answer
    x = 1,154,493.56

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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.