Home / 1,246,997.80-1,872,339.90-966,831.40

Finding the Fourth Proportional to 1,246,997.80, 1,872,339.90 and 966,831.40

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Solution

The fourth proportional to 1,246,997.80, 1,872,339.90 and 966,831.40 is: 1,451,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,997.80 : 1,872,339.90 = 966,831.40 : x
  2. Step 2: Convert to fraction form
    1,246,997.80/1,872,339.90 = 966,831.40/x
  3. Step 3: Cross multiply
    1,246,997.80x = 1,872,339.90 × 966,831.40
  4. Step 4: Simplify right side
    1,246,997.80x = 1,810,237,006,792.86
  5. Step 5: Solve for x
    x = 1,810,237,006,792.86/1,246,997.80
  6. Step 6: Final answer
    x = 1,451,676.18

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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.