Home / 1,408,831.80-2,114,414.10-651,838.20

Finding the Fourth Proportional to 1,408,831.80, 2,114,414.10 and 651,838.20

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Solution

The fourth proportional to 1,408,831.80, 2,114,414.10 and 651,838.20 is: 978,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,831.80 : 2,114,414.10 = 651,838.20 : x
  2. Step 2: Convert to fraction form
    1,408,831.80/2,114,414.10 = 651,838.20/x
  3. Step 3: Cross multiply
    1,408,831.80x = 2,114,414.10 × 651,838.20
  4. Step 4: Simplify right side
    1,408,831.80x = 1,378,255,880,998.62
  5. Step 5: Solve for x
    x = 1,378,255,880,998.62/1,408,831.80
  6. Step 6: Final answer
    x = 978,296.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.