Home / 1,211,592.84-1,672,009.46-667,748.17

Finding the Fourth Proportional to 1,211,592.84, 1,672,009.46 and 667,748.17

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Solution

The fourth proportional to 1,211,592.84, 1,672,009.46 and 667,748.17 is: 921,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,592.84 : 1,672,009.46 = 667,748.17 : x
  2. Step 2: Convert to fraction form
    1,211,592.84/1,672,009.46 = 667,748.17/x
  3. Step 3: Cross multiply
    1,211,592.84x = 1,672,009.46 × 667,748.17
  4. Step 4: Simplify right side
    1,211,592.84x = 1,116,481,257,137.69
  5. Step 5: Solve for x
    x = 1,116,481,257,137.69/1,211,592.84
  6. Step 6: Final answer
    x = 921,498.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.