Home / 1,286,713.80-1,775,521.80-713,610.36

Finding the Fourth Proportional to 1,286,713.80, 1,775,521.80 and 713,610.36

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Solution

The fourth proportional to 1,286,713.80, 1,775,521.80 and 713,610.36 is: 984,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,713.80 : 1,775,521.80 = 713,610.36 : x
  2. Step 2: Convert to fraction form
    1,286,713.80/1,775,521.80 = 713,610.36/x
  3. Step 3: Cross multiply
    1,286,713.80x = 1,775,521.80 × 713,610.36
  4. Step 4: Simplify right side
    1,286,713.80x = 1,267,030,750,885.85
  5. Step 5: Solve for x
    x = 1,267,030,750,885.85/1,286,713.80
  6. Step 6: Final answer
    x = 984,702.85

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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.