Home / 1,212,127.76-1,672,365.64-702,728.48

Finding the Fourth Proportional to 1,212,127.76, 1,672,365.64 and 702,728.48

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Solution

The fourth proportional to 1,212,127.76, 1,672,365.64 and 702,728.48 is: 969,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,127.76 : 1,672,365.64 = 702,728.48 : x
  2. Step 2: Convert to fraction form
    1,212,127.76/1,672,365.64 = 702,728.48/x
  3. Step 3: Cross multiply
    1,212,127.76x = 1,672,365.64 × 702,728.48
  4. Step 4: Simplify right side
    1,212,127.76x = 1,175,218,966,625.52
  5. Step 5: Solve for x
    x = 1,175,218,966,625.52/1,212,127.76
  6. Step 6: Final answer
    x = 969,550.41

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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.