Home / 1,043,632.45-1,563,972.45-443,989.86

Finding the Fourth Proportional to 1,043,632.45, 1,563,972.45 and 443,989.86

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Solution

The fourth proportional to 1,043,632.45, 1,563,972.45 and 443,989.86 is: 665,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,632.45 : 1,563,972.45 = 443,989.86 : x
  2. Step 2: Convert to fraction form
    1,043,632.45/1,563,972.45 = 443,989.86/x
  3. Step 3: Cross multiply
    1,043,632.45x = 1,563,972.45 × 443,989.86
  4. Step 4: Simplify right side
    1,043,632.45x = 694,387,904,086.94
  5. Step 5: Solve for x
    x = 694,387,904,086.94/1,043,632.45
  6. Step 6: Final answer
    x = 665,356.76

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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.