Home / 1,425,474.27-1,967,156.88-780,880.41

Finding the Fourth Proportional to 1,425,474.27, 1,967,156.88 and 780,880.41

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Solution

The fourth proportional to 1,425,474.27, 1,967,156.88 and 780,880.41 is: 1,077,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,474.27 : 1,967,156.88 = 780,880.41 : x
  2. Step 2: Convert to fraction form
    1,425,474.27/1,967,156.88 = 780,880.41/x
  3. Step 3: Cross multiply
    1,425,474.27x = 1,967,156.88 × 780,880.41
  4. Step 4: Simplify right side
    1,425,474.27x = 1,536,114,270,988.72
  5. Step 5: Solve for x
    x = 1,536,114,270,988.72/1,425,474.27
  6. Step 6: Final answer
    x = 1,077,616.27

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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.