Home / 1,083,787.29-1,626,185.31-485,153.45

Finding the Fourth Proportional to 1,083,787.29, 1,626,185.31 and 485,153.45

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Solution

The fourth proportional to 1,083,787.29, 1,626,185.31 and 485,153.45 is: 727,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,787.29 : 1,626,185.31 = 485,153.45 : x
  2. Step 2: Convert to fraction form
    1,083,787.29/1,626,185.31 = 485,153.45/x
  3. Step 3: Cross multiply
    1,083,787.29x = 1,626,185.31 × 485,153.45
  4. Step 4: Simplify right side
    1,083,787.29x = 788,949,412,362.75
  5. Step 5: Solve for x
    x = 788,949,412,362.75/1,083,787.29
  6. Step 6: Final answer
    x = 727,955.96

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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.