Home / 1,443,311.32-2,164,373.68-432,076.12

Finding the Fourth Proportional to 1,443,311.32, 2,164,373.68 and 432,076.12

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Solution

The fourth proportional to 1,443,311.32, 2,164,373.68 and 432,076.12 is: 647,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,311.32 : 2,164,373.68 = 432,076.12 : x
  2. Step 2: Convert to fraction form
    1,443,311.32/2,164,373.68 = 432,076.12/x
  3. Step 3: Cross multiply
    1,443,311.32x = 2,164,373.68 × 432,076.12
  4. Step 4: Simplify right side
    1,443,311.32x = 935,174,181,884.52
  5. Step 5: Solve for x
    x = 935,174,181,884.52/1,443,311.32
  6. Step 6: Final answer
    x = 647,936.57

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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.