Home / 1,436,990.80-1,983,180-825,223.72

Finding the Fourth Proportional to 1,436,990.80, 1,983,180 and 825,223.72

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Solution

The fourth proportional to 1,436,990.80, 1,983,180 and 825,223.72 is: 1,138,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,990.80 : 1,983,180 = 825,223.72 : x
  2. Step 2: Convert to fraction form
    1,436,990.80/1,983,180 = 825,223.72/x
  3. Step 3: Cross multiply
    1,436,990.80x = 1,983,180 × 825,223.72
  4. Step 4: Simplify right side
    1,436,990.80x = 1,636,567,177,029.60
  5. Step 5: Solve for x
    x = 1,636,567,177,029.60/1,436,990.80
  6. Step 6: Final answer
    x = 1,138,884.94

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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.