Home / 1,515,658.62-2,091,460.02-836,551.38

Finding the Fourth Proportional to 1,515,658.62, 2,091,460.02 and 836,551.38

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Solution

The fourth proportional to 1,515,658.62, 2,091,460.02 and 836,551.38 is: 1,154,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,658.62 : 2,091,460.02 = 836,551.38 : x
  2. Step 2: Convert to fraction form
    1,515,658.62/2,091,460.02 = 836,551.38/x
  3. Step 3: Cross multiply
    1,515,658.62x = 2,091,460.02 × 836,551.38
  4. Step 4: Simplify right side
    1,515,658.62x = 1,749,613,765,945.83
  5. Step 5: Solve for x
    x = 1,749,613,765,945.83/1,515,658.62
  6. Step 6: Final answer
    x = 1,154,358.73

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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.