Home / 1,258,939.80-1,888,967.82-659,758.50

Finding the Fourth Proportional to 1,258,939.80, 1,888,967.82 and 659,758.50

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Solution

The fourth proportional to 1,258,939.80, 1,888,967.82 and 659,758.50 is: 989,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,939.80 : 1,888,967.82 = 659,758.50 : x
  2. Step 2: Convert to fraction form
    1,258,939.80/1,888,967.82 = 659,758.50/x
  3. Step 3: Cross multiply
    1,258,939.80x = 1,888,967.82 × 659,758.50
  4. Step 4: Simplify right side
    1,258,939.80x = 1,246,262,575,471.47
  5. Step 5: Solve for x
    x = 1,246,262,575,471.47/1,258,939.80
  6. Step 6: Final answer
    x = 989,930.24

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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.