Home / 1,976,324.76-2,963,761.02-679,109.28

Finding the Fourth Proportional to 1,976,324.76, 2,963,761.02 and 679,109.28

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Solution

The fourth proportional to 1,976,324.76, 2,963,761.02 and 679,109.28 is: 1,018,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,324.76 : 2,963,761.02 = 679,109.28 : x
  2. Step 2: Convert to fraction form
    1,976,324.76/2,963,761.02 = 679,109.28/x
  3. Step 3: Cross multiply
    1,976,324.76x = 2,963,761.02 × 679,109.28
  4. Step 4: Simplify right side
    1,976,324.76x = 2,012,717,612,384.27
  5. Step 5: Solve for x
    x = 2,012,717,612,384.27/1,976,324.76
  6. Step 6: Final answer
    x = 1,018,414.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.