Home / 1,238,319.94-1,857,922.36-752,989.51

Finding the Fourth Proportional to 1,238,319.94, 1,857,922.36 and 752,989.51

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Solution

The fourth proportional to 1,238,319.94, 1,857,922.36 and 752,989.51 is: 1,129,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,319.94 : 1,857,922.36 = 752,989.51 : x
  2. Step 2: Convert to fraction form
    1,238,319.94/1,857,922.36 = 752,989.51/x
  3. Step 3: Cross multiply
    1,238,319.94x = 1,857,922.36 × 752,989.51
  4. Step 4: Simplify right side
    1,238,319.94x = 1,398,996,047,474.44
  5. Step 5: Solve for x
    x = 1,398,996,047,474.44/1,238,319.94
  6. Step 6: Final answer
    x = 1,129,753.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.