Home / 1,786,022.80-2,679,329.40-827,436.40

Finding the Fourth Proportional to 1,786,022.80, 2,679,329.40 and 827,436.40

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Solution

The fourth proportional to 1,786,022.80, 2,679,329.40 and 827,436.40 is: 1,241,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,022.80 : 2,679,329.40 = 827,436.40 : x
  2. Step 2: Convert to fraction form
    1,786,022.80/2,679,329.40 = 827,436.40/x
  3. Step 3: Cross multiply
    1,786,022.80x = 2,679,329.40 × 827,436.40
  4. Step 4: Simplify right side
    1,786,022.80x = 2,216,974,673,150.16
  5. Step 5: Solve for x
    x = 2,216,974,673,150.16/1,786,022.80
  6. Step 6: Final answer
    x = 1,241,291.36

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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.