Home / 838,100.42-1,257,962.55-792,583.48

Finding the Fourth Proportional to 838,100.42, 1,257,962.55 and 792,583.48

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Solution

The fourth proportional to 838,100.42, 1,257,962.55 and 792,583.48 is: 1,189,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,100.42 : 1,257,962.55 = 792,583.48 : x
  2. Step 2: Convert to fraction form
    838,100.42/1,257,962.55 = 792,583.48/x
  3. Step 3: Cross multiply
    838,100.42x = 1,257,962.55 × 792,583.48
  4. Step 4: Simplify right side
    838,100.42x = 997,040,325,335.94
  5. Step 5: Solve for x
    x = 997,040,325,335.94/838,100.42
  6. Step 6: Final answer
    x = 1,189,643.04

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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.