Home / 1,383,428.52-1,908,806.31-839,552.04

Finding the Fourth Proportional to 1,383,428.52, 1,908,806.31 and 839,552.04

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Solution

The fourth proportional to 1,383,428.52, 1,908,806.31 and 839,552.04 is: 1,158,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,428.52 : 1,908,806.31 = 839,552.04 : x
  2. Step 2: Convert to fraction form
    1,383,428.52/1,908,806.31 = 839,552.04/x
  3. Step 3: Cross multiply
    1,383,428.52x = 1,908,806.31 × 839,552.04
  4. Step 4: Simplify right side
    1,383,428.52x = 1,602,542,231,525.37
  5. Step 5: Solve for x
    x = 1,602,542,231,525.37/1,383,428.52
  6. Step 6: Final answer
    x = 1,158,384.56

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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.