Home / 1,128,627.54-1,692,908.49-329,927.85

Finding the Fourth Proportional to 1,128,627.54, 1,692,908.49 and 329,927.85

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Solution

The fourth proportional to 1,128,627.54, 1,692,908.49 and 329,927.85 is: 494,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,627.54 : 1,692,908.49 = 329,927.85 : x
  2. Step 2: Convert to fraction form
    1,128,627.54/1,692,908.49 = 329,927.85/x
  3. Step 3: Cross multiply
    1,128,627.54x = 1,692,908.49 × 329,927.85
  4. Step 4: Simplify right side
    1,128,627.54x = 558,537,658,352.45
  5. Step 5: Solve for x
    x = 558,537,658,352.45/1,128,627.54
  6. Step 6: Final answer
    x = 494,882.18

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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.