Home / 925,999.30-1,391,951.40-872,855.20

Finding the Fourth Proportional to 925,999.30, 1,391,951.40 and 872,855.20

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Solution

The fourth proportional to 925,999.30, 1,391,951.40 and 872,855.20 is: 1,312,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,999.30 : 1,391,951.40 = 872,855.20 : x
  2. Step 2: Convert to fraction form
    925,999.30/1,391,951.40 = 872,855.20/x
  3. Step 3: Cross multiply
    925,999.30x = 1,391,951.40 × 872,855.20
  4. Step 4: Simplify right side
    925,999.30x = 1,214,972,017,637.28
  5. Step 5: Solve for x
    x = 1,214,972,017,637.28/925,999.30
  6. Step 6: Final answer
    x = 1,312,065.81

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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.