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Finding the Fourth Proportional to 1,106,965.54, 1,660,973.19 and 658,572.22

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Solution

The fourth proportional to 1,106,965.54, 1,660,973.19 and 658,572.22 is: 988,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,965.54 : 1,660,973.19 = 658,572.22 : x
  2. Step 2: Convert to fraction form
    1,106,965.54/1,660,973.19 = 658,572.22/x
  3. Step 3: Cross multiply
    1,106,965.54x = 1,660,973.19 × 658,572.22
  4. Step 4: Simplify right side
    1,106,965.54x = 1,093,870,801,098.78
  5. Step 5: Solve for x
    x = 1,093,870,801,098.78/1,106,965.54
  6. Step 6: Final answer
    x = 988,170.60

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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.