Home / 1,250,395.89-1,725,548.04-677,436.09

Finding the Fourth Proportional to 1,250,395.89, 1,725,548.04 and 677,436.09

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Solution

The fourth proportional to 1,250,395.89, 1,725,548.04 and 677,436.09 is: 934,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,395.89 : 1,725,548.04 = 677,436.09 : x
  2. Step 2: Convert to fraction form
    1,250,395.89/1,725,548.04 = 677,436.09/x
  3. Step 3: Cross multiply
    1,250,395.89x = 1,725,548.04 × 677,436.09
  4. Step 4: Simplify right side
    1,250,395.89x = 1,168,948,517,324.76
  5. Step 5: Solve for x
    x = 1,168,948,517,324.76/1,250,395.89
  6. Step 6: Final answer
    x = 934,862.73

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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.