Home / 1,427,818.77-1,970,371.54-815,964.52

Finding the Fourth Proportional to 1,427,818.77, 1,970,371.54 and 815,964.52

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Solution

The fourth proportional to 1,427,818.77, 1,970,371.54 and 815,964.52 is: 1,126,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,818.77 : 1,970,371.54 = 815,964.52 : x
  2. Step 2: Convert to fraction form
    1,427,818.77/1,970,371.54 = 815,964.52/x
  3. Step 3: Cross multiply
    1,427,818.77x = 1,970,371.54 × 815,964.52
  4. Step 4: Simplify right side
    1,427,818.77x = 1,607,753,260,126.95
  5. Step 5: Solve for x
    x = 1,607,753,260,126.95/1,427,818.77
  6. Step 6: Final answer
    x = 1,126,020.54

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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.