Home / 1,092,735.65-1,638,168.57-419,300.24

Finding the Fourth Proportional to 1,092,735.65, 1,638,168.57 and 419,300.24

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Solution

The fourth proportional to 1,092,735.65, 1,638,168.57 and 419,300.24 is: 628,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,735.65 : 1,638,168.57 = 419,300.24 : x
  2. Step 2: Convert to fraction form
    1,092,735.65/1,638,168.57 = 419,300.24/x
  3. Step 3: Cross multiply
    1,092,735.65x = 1,638,168.57 × 419,300.24
  4. Step 4: Simplify right side
    1,092,735.65x = 686,884,466,370.61
  5. Step 5: Solve for x
    x = 686,884,466,370.61/1,092,735.65
  6. Step 6: Final answer
    x = 628,591.61

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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.