Home / 1,268,557.71-1,748,916.15-1,007,778.27

Finding the Fourth Proportional to 1,268,557.71, 1,748,916.15 and 1,007,778.27

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Solution

The fourth proportional to 1,268,557.71, 1,748,916.15 and 1,007,778.27 is: 1,389,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,557.71 : 1,748,916.15 = 1,007,778.27 : x
  2. Step 2: Convert to fraction form
    1,268,557.71/1,748,916.15 = 1,007,778.27/x
  3. Step 3: Cross multiply
    1,268,557.71x = 1,748,916.15 × 1,007,778.27
  4. Step 4: Simplify right side
    1,268,557.71x = 1,762,519,682,879.22
  5. Step 5: Solve for x
    x = 1,762,519,682,879.22/1,268,557.71
  6. Step 6: Final answer
    x = 1,389,388.65

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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.