Home / 1,253,731.37-1,730,156.36-680,771.69

Finding the Fourth Proportional to 1,253,731.37, 1,730,156.36 and 680,771.69

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Solution

The fourth proportional to 1,253,731.37, 1,730,156.36 and 680,771.69 is: 939,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,731.37 : 1,730,156.36 = 680,771.69 : x
  2. Step 2: Convert to fraction form
    1,253,731.37/1,730,156.36 = 680,771.69/x
  3. Step 3: Cross multiply
    1,253,731.37x = 1,730,156.36 × 680,771.69
  4. Step 4: Simplify right side
    1,253,731.37x = 1,177,841,463,594.89
  5. Step 5: Solve for x
    x = 1,177,841,463,594.89/1,253,731.37
  6. Step 6: Final answer
    x = 939,468.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.