Home / 1,286,229.84-1,774,987.20-713,271.48

Finding the Fourth Proportional to 1,286,229.84, 1,774,987.20 and 713,271.48

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Solution

The fourth proportional to 1,286,229.84, 1,774,987.20 and 713,271.48 is: 984,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,229.84 : 1,774,987.20 = 713,271.48 : x
  2. Step 2: Convert to fraction form
    1,286,229.84/1,774,987.20 = 713,271.48/x
  3. Step 3: Cross multiply
    1,286,229.84x = 1,774,987.20 × 713,271.48
  4. Step 4: Simplify right side
    1,286,229.84x = 1,266,047,747,125.06
  5. Step 5: Solve for x
    x = 1,266,047,747,125.06/1,286,229.84
  6. Step 6: Final answer
    x = 984,309.11

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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.