Home / 1,138,228.86-1,708,026.72-454,993.68

Finding the Fourth Proportional to 1,138,228.86, 1,708,026.72 and 454,993.68

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Solution

The fourth proportional to 1,138,228.86, 1,708,026.72 and 454,993.68 is: 682,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,228.86 : 1,708,026.72 = 454,993.68 : x
  2. Step 2: Convert to fraction form
    1,138,228.86/1,708,026.72 = 454,993.68/x
  3. Step 3: Cross multiply
    1,138,228.86x = 1,708,026.72 × 454,993.68
  4. Step 4: Simplify right side
    1,138,228.86x = 777,141,362,871.13
  5. Step 5: Solve for x
    x = 777,141,362,871.13/1,138,228.86
  6. Step 6: Final answer
    x = 682,763.71

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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.