Home / 1,106,747.80-1,660,121.70-658,850.20

Finding the Fourth Proportional to 1,106,747.80, 1,660,121.70 and 658,850.20

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Solution

The fourth proportional to 1,106,747.80, 1,660,121.70 and 658,850.20 is: 988,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,747.80 : 1,660,121.70 = 658,850.20 : x
  2. Step 2: Convert to fraction form
    1,106,747.80/1,660,121.70 = 658,850.20/x
  3. Step 3: Cross multiply
    1,106,747.80x = 1,660,121.70 × 658,850.20
  4. Step 4: Simplify right side
    1,106,747.80x = 1,093,771,514,069.34
  5. Step 5: Solve for x
    x = 1,093,771,514,069.34/1,106,747.80
  6. Step 6: Final answer
    x = 988,275.30

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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.