Home / 1,258,941.76-1,888,970.80-659,760.48

Finding the Fourth Proportional to 1,258,941.76, 1,888,970.80 and 659,760.48

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Solution

The fourth proportional to 1,258,941.76, 1,888,970.80 and 659,760.48 is: 989,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,941.76 : 1,888,970.80 = 659,760.48 : x
  2. Step 2: Convert to fraction form
    1,258,941.76/1,888,970.80 = 659,760.48/x
  3. Step 3: Cross multiply
    1,258,941.76x = 1,888,970.80 × 659,760.48
  4. Step 4: Simplify right side
    1,258,941.76x = 1,246,268,281,713.98
  5. Step 5: Solve for x
    x = 1,246,268,281,713.98/1,258,941.76
  6. Step 6: Final answer
    x = 989,933.23

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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.