Home / 1,659,110.79-2,290,280.61-1,115,561.64

Finding the Fourth Proportional to 1,659,110.79, 2,290,280.61 and 1,115,561.64

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Solution

The fourth proportional to 1,659,110.79, 2,290,280.61 and 1,115,561.64 is: 1,539,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,110.79 : 2,290,280.61 = 1,115,561.64 : x
  2. Step 2: Convert to fraction form
    1,659,110.79/2,290,280.61 = 1,115,561.64/x
  3. Step 3: Cross multiply
    1,659,110.79x = 2,290,280.61 × 1,115,561.64
  4. Step 4: Simplify right side
    1,659,110.79x = 2,554,949,193,351.80
  5. Step 5: Solve for x
    x = 2,554,949,193,351.80/1,659,110.79
  6. Step 6: Final answer
    x = 1,539,950.92

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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.