Home / 1,359,163.10-1,875,464.56-842,728.61

Finding the Fourth Proportional to 1,359,163.10, 1,875,464.56 and 842,728.61

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Solution

The fourth proportional to 1,359,163.10, 1,875,464.56 and 842,728.61 is: 1,162,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,163.10 : 1,875,464.56 = 842,728.61 : x
  2. Step 2: Convert to fraction form
    1,359,163.10/1,875,464.56 = 842,728.61/x
  3. Step 3: Cross multiply
    1,359,163.10x = 1,875,464.56 × 842,728.61
  4. Step 4: Simplify right side
    1,359,163.10x = 1,580,507,641,753.06
  5. Step 5: Solve for x
    x = 1,580,507,641,753.06/1,359,163.10
  6. Step 6: Final answer
    x = 1,162,853.55

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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.