Home / 1,108,129.90-1,658,047.65-734,881.90

Finding the Fourth Proportional to 1,108,129.90, 1,658,047.65 and 734,881.90

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Solution

The fourth proportional to 1,108,129.90, 1,658,047.65 and 734,881.90 is: 1,099,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,129.90 : 1,658,047.65 = 734,881.90 : x
  2. Step 2: Convert to fraction form
    1,108,129.90/1,658,047.65 = 734,881.90/x
  3. Step 3: Cross multiply
    1,108,129.90x = 1,658,047.65 × 734,881.90
  4. Step 4: Simplify right side
    1,108,129.90x = 1,218,469,207,322.53
  5. Step 5: Solve for x
    x = 1,218,469,207,322.53/1,108,129.90
  6. Step 6: Final answer
    x = 1,099,572.54

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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.