Home / 1,403,317.78-2,105,292.68-443,831.50

Finding the Fourth Proportional to 1,403,317.78, 2,105,292.68 and 443,831.50

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Solution

The fourth proportional to 1,403,317.78, 2,105,292.68 and 443,831.50 is: 665,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,317.78 : 2,105,292.68 = 443,831.50 : x
  2. Step 2: Convert to fraction form
    1,403,317.78/2,105,292.68 = 443,831.50/x
  3. Step 3: Cross multiply
    1,403,317.78x = 2,105,292.68 × 443,831.50
  4. Step 4: Simplify right side
    1,403,317.78x = 934,395,208,103.42
  5. Step 5: Solve for x
    x = 934,395,208,103.42/1,403,317.78
  6. Step 6: Final answer
    x = 665,847.20

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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.