Home / 1,219,274.10-1,682,526.27-667,880.15

Finding the Fourth Proportional to 1,219,274.10, 1,682,526.27 and 667,880.15

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Solution

The fourth proportional to 1,219,274.10, 1,682,526.27 and 667,880.15 is: 921,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,274.10 : 1,682,526.27 = 667,880.15 : x
  2. Step 2: Convert to fraction form
    1,219,274.10/1,682,526.27 = 667,880.15/x
  3. Step 3: Cross multiply
    1,219,274.10x = 1,682,526.27 × 667,880.15
  4. Step 4: Simplify right side
    1,219,274.10x = 1,123,725,889,173.91
  5. Step 5: Solve for x
    x = 1,123,725,889,173.91/1,219,274.10
  6. Step 6: Final answer
    x = 921,635.17

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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.