Home / 1,332,255.84-1,838,556.78-728,643.84

Finding the Fourth Proportional to 1,332,255.84, 1,838,556.78 and 728,643.84

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Solution

The fourth proportional to 1,332,255.84, 1,838,556.78 and 728,643.84 is: 1,005,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,255.84 : 1,838,556.78 = 728,643.84 : x
  2. Step 2: Convert to fraction form
    1,332,255.84/1,838,556.78 = 728,643.84/x
  3. Step 3: Cross multiply
    1,332,255.84x = 1,838,556.78 × 728,643.84
  4. Step 4: Simplify right side
    1,332,255.84x = 1,339,653,072,237.24
  5. Step 5: Solve for x
    x = 1,339,653,072,237.24/1,332,255.84
  6. Step 6: Final answer
    x = 1,005,552.41

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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.