Home / 1,092,481.62-1,638,722.42-461,400.90

Finding the Fourth Proportional to 1,092,481.62, 1,638,722.42 and 461,400.90

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Solution

The fourth proportional to 1,092,481.62, 1,638,722.42 and 461,400.90 is: 692,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,481.62 : 1,638,722.42 = 461,400.90 : x
  2. Step 2: Convert to fraction form
    1,092,481.62/1,638,722.42 = 461,400.90/x
  3. Step 3: Cross multiply
    1,092,481.62x = 1,638,722.42 × 461,400.90
  4. Step 4: Simplify right side
    1,092,481.62x = 756,107,999,438.18
  5. Step 5: Solve for x
    x = 756,107,999,438.18/1,092,481.62
  6. Step 6: Final answer
    x = 692,101.35

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1.5x scale

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.