Home / 1,128,622.29-1,692,900.63-329,922.60

Finding the Fourth Proportional to 1,128,622.29, 1,692,900.63 and 329,922.60

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Solution

The fourth proportional to 1,128,622.29, 1,692,900.63 and 329,922.60 is: 494,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,622.29 : 1,692,900.63 = 329,922.60 : x
  2. Step 2: Convert to fraction form
    1,128,622.29/1,692,900.63 = 329,922.60/x
  3. Step 3: Cross multiply
    1,128,622.29x = 1,692,900.63 × 329,922.60
  4. Step 4: Simplify right side
    1,128,622.29x = 558,526,177,391.24
  5. Step 5: Solve for x
    x = 558,526,177,391.24/1,128,622.29
  6. Step 6: Final answer
    x = 494,874.31

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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.