Home / 1,092,209.70-1,638,314.55-613,912.80

Finding the Fourth Proportional to 1,092,209.70, 1,638,314.55 and 613,912.80

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Solution

The fourth proportional to 1,092,209.70, 1,638,314.55 and 613,912.80 is: 920,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,209.70 : 1,638,314.55 = 613,912.80 : x
  2. Step 2: Convert to fraction form
    1,092,209.70/1,638,314.55 = 613,912.80/x
  3. Step 3: Cross multiply
    1,092,209.70x = 1,638,314.55 × 613,912.80
  4. Step 4: Simplify right side
    1,092,209.70x = 1,005,782,272,671.24
  5. Step 5: Solve for x
    x = 1,005,782,272,671.24/1,092,209.70
  6. Step 6: Final answer
    x = 920,869.20

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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.