Home / 1,107,177.80-1,661,544.30-708,787.40

Finding the Fourth Proportional to 1,107,177.80, 1,661,544.30 and 708,787.40

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Solution

The fourth proportional to 1,107,177.80, 1,661,544.30 and 708,787.40 is: 1,063,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,177.80 : 1,661,544.30 = 708,787.40 : x
  2. Step 2: Convert to fraction form
    1,107,177.80/1,661,544.30 = 708,787.40/x
  3. Step 3: Cross multiply
    1,107,177.80x = 1,661,544.30 × 708,787.40
  4. Step 4: Simplify right side
    1,107,177.80x = 1,177,681,664,381.82
  5. Step 5: Solve for x
    x = 1,177,681,664,381.82/1,107,177.80
  6. Step 6: Final answer
    x = 1,063,678.90

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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.