Home / 1,352,831.63-2,017,309.11-1,340,683.44

Finding the Fourth Proportional to 1,352,831.63, 2,017,309.11 and 1,340,683.44

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Solution

The fourth proportional to 1,352,831.63, 2,017,309.11 and 1,340,683.44 is: 1,999,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,831.63 : 2,017,309.11 = 1,340,683.44 : x
  2. Step 2: Convert to fraction form
    1,352,831.63/2,017,309.11 = 1,340,683.44/x
  3. Step 3: Cross multiply
    1,352,831.63x = 2,017,309.11 × 1,340,683.44
  4. Step 4: Simplify right side
    1,352,831.63x = 2,704,572,917,138.14
  5. Step 5: Solve for x
    x = 2,704,572,917,138.14/1,352,831.63
  6. Step 6: Final answer
    x = 1,999,194.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.