Home / 1,272,892.88-1,756,532.04-699,957.20

Finding the Fourth Proportional to 1,272,892.88, 1,756,532.04 and 699,957.20

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Solution

The fourth proportional to 1,272,892.88, 1,756,532.04 and 699,957.20 is: 965,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,892.88 : 1,756,532.04 = 699,957.20 : x
  2. Step 2: Convert to fraction form
    1,272,892.88/1,756,532.04 = 699,957.20/x
  3. Step 3: Cross multiply
    1,272,892.88x = 1,756,532.04 × 699,957.20
  4. Step 4: Simplify right side
    1,272,892.88x = 1,229,497,248,428.69
  5. Step 5: Solve for x
    x = 1,229,497,248,428.69/1,272,892.88
  6. Step 6: Final answer
    x = 965,907.87

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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.