Home / 1,108,189.40-1,658,136.90-734,941.40

Finding the Fourth Proportional to 1,108,189.40, 1,658,136.90 and 734,941.40

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Solution

The fourth proportional to 1,108,189.40, 1,658,136.90 and 734,941.40 is: 1,099,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,189.40 : 1,658,136.90 = 734,941.40 : x
  2. Step 2: Convert to fraction form
    1,108,189.40/1,658,136.90 = 734,941.40/x
  3. Step 3: Cross multiply
    1,108,189.40x = 1,658,136.90 × 734,941.40
  4. Step 4: Simplify right side
    1,108,189.40x = 1,218,633,454,677.66
  5. Step 5: Solve for x
    x = 1,218,633,454,677.66/1,108,189.40
  6. Step 6: Final answer
    x = 1,099,661.71

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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.