Home / 1,088,813.80-1,633,220.70-787,882.60

Finding the Fourth Proportional to 1,088,813.80, 1,633,220.70 and 787,882.60

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Solution

The fourth proportional to 1,088,813.80, 1,633,220.70 and 787,882.60 is: 1,181,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,813.80 : 1,633,220.70 = 787,882.60 : x
  2. Step 2: Convert to fraction form
    1,088,813.80/1,633,220.70 = 787,882.60/x
  3. Step 3: Cross multiply
    1,088,813.80x = 1,633,220.70 × 787,882.60
  4. Step 4: Simplify right side
    1,088,813.80x = 1,286,786,171,489.82
  5. Step 5: Solve for x
    x = 1,286,786,171,489.82/1,088,813.80
  6. Step 6: Final answer
    x = 1,181,823.90

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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.