Home / 1,252,654.40-1,729,111.32-743,356.64

Finding the Fourth Proportional to 1,252,654.40, 1,729,111.32 and 743,356.64

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Solution

The fourth proportional to 1,252,654.40, 1,729,111.32 and 743,356.64 is: 1,026,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,654.40 : 1,729,111.32 = 743,356.64 : x
  2. Step 2: Convert to fraction form
    1,252,654.40/1,729,111.32 = 743,356.64/x
  3. Step 3: Cross multiply
    1,252,654.40x = 1,729,111.32 × 743,356.64
  4. Step 4: Simplify right side
    1,252,654.40x = 1,285,346,381,021.16
  5. Step 5: Solve for x
    x = 1,285,346,381,021.16/1,252,654.40
  6. Step 6: Final answer
    x = 1,026,098.16

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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.