Home / 1,268,617.67-1,748,998.77-1,007,838.26

Finding the Fourth Proportional to 1,268,617.67, 1,748,998.77 and 1,007,838.26

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Solution

The fourth proportional to 1,268,617.67, 1,748,998.77 and 1,007,838.26 is: 1,389,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,617.67 : 1,748,998.77 = 1,007,838.26 : x
  2. Step 2: Convert to fraction form
    1,268,617.67/1,748,998.77 = 1,007,838.26/x
  3. Step 3: Cross multiply
    1,268,617.67x = 1,748,998.77 × 1,007,838.26
  4. Step 4: Simplify right side
    1,268,617.67x = 1,762,707,868,353.95
  5. Step 5: Solve for x
    x = 1,762,707,868,353.95/1,268,617.67
  6. Step 6: Final answer
    x = 1,389,471.33

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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.