Home / 1,252,670.28-1,729,133.28-743,372.64

Finding the Fourth Proportional to 1,252,670.28, 1,729,133.28 and 743,372.64

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Solution

The fourth proportional to 1,252,670.28, 1,729,133.28 and 743,372.64 is: 1,026,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,670.28 : 1,729,133.28 = 743,372.64 : x
  2. Step 2: Convert to fraction form
    1,252,670.28/1,729,133.28 = 743,372.64/x
  3. Step 3: Cross multiply
    1,252,670.28x = 1,729,133.28 × 743,372.64
  4. Step 4: Simplify right side
    1,252,670.28x = 1,285,390,371,265.46
  5. Step 5: Solve for x
    x = 1,285,390,371,265.46/1,252,670.28
  6. Step 6: Final answer
    x = 1,026,120.27

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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.