Home / 1,268,559.96-1,748,919.26-1,007,780.51

Finding the Fourth Proportional to 1,268,559.96, 1,748,919.26 and 1,007,780.51

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Solution

The fourth proportional to 1,268,559.96, 1,748,919.26 and 1,007,780.51 is: 1,389,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,559.96 : 1,748,919.26 = 1,007,780.51 : x
  2. Step 2: Convert to fraction form
    1,268,559.96/1,748,919.26 = 1,007,780.51/x
  3. Step 3: Cross multiply
    1,268,559.96x = 1,748,919.26 × 1,007,780.51
  4. Step 4: Simplify right side
    1,268,559.96x = 1,762,526,743,125.02
  5. Step 5: Solve for x
    x = 1,762,526,743,125.02/1,268,559.96
  6. Step 6: Final answer
    x = 1,389,391.75

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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.