Home / 1,264,896.47-1,744,374.15-1,007,628.73

Finding the Fourth Proportional to 1,264,896.47, 1,744,374.15 and 1,007,628.73

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Solution

The fourth proportional to 1,264,896.47, 1,744,374.15 and 1,007,628.73 is: 1,389,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,896.47 : 1,744,374.15 = 1,007,628.73 : x
  2. Step 2: Convert to fraction form
    1,264,896.47/1,744,374.15 = 1,007,628.73/x
  3. Step 3: Cross multiply
    1,264,896.47x = 1,744,374.15 × 1,007,628.73
  4. Step 4: Simplify right side
    1,264,896.47x = 1,757,681,505,048.39
  5. Step 5: Solve for x
    x = 1,757,681,505,048.39/1,264,896.47
  6. Step 6: Final answer
    x = 1,389,585.27

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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.