Home / 1,443,094.28-2,164,711.13-378,137.36

Finding the Fourth Proportional to 1,443,094.28, 2,164,711.13 and 378,137.36

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Solution

The fourth proportional to 1,443,094.28, 2,164,711.13 and 378,137.36 is: 567,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,094.28 : 2,164,711.13 = 378,137.36 : x
  2. Step 2: Convert to fraction form
    1,443,094.28/2,164,711.13 = 378,137.36/x
  3. Step 3: Cross multiply
    1,443,094.28x = 2,164,711.13 × 378,137.36
  4. Step 4: Simplify right side
    1,443,094.28x = 818,558,156,799.92
  5. Step 5: Solve for x
    x = 818,558,156,799.92/1,443,094.28
  6. Step 6: Final answer
    x = 567,224.31

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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.