Home / 1,302,730.48-1,797,772.28-721,963.11

Finding the Fourth Proportional to 1,302,730.48, 1,797,772.28 and 721,963.11

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Solution

The fourth proportional to 1,302,730.48, 1,797,772.28 and 721,963.11 is: 996,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,730.48 : 1,797,772.28 = 721,963.11 : x
  2. Step 2: Convert to fraction form
    1,302,730.48/1,797,772.28 = 721,963.11/x
  3. Step 3: Cross multiply
    1,302,730.48x = 1,797,772.28 × 721,963.11
  4. Step 4: Simplify right side
    1,302,730.48x = 1,297,925,266,340.59
  5. Step 5: Solve for x
    x = 1,297,925,266,340.59/1,302,730.48
  6. Step 6: Final answer
    x = 996,311.43

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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.