Home / 1,425,474.77-1,967,157.57-780,880.91

Finding the Fourth Proportional to 1,425,474.77, 1,967,157.57 and 780,880.91

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Solution

The fourth proportional to 1,425,474.77, 1,967,157.57 and 780,880.91 is: 1,077,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,474.77 : 1,967,157.57 = 780,880.91 : x
  2. Step 2: Convert to fraction form
    1,425,474.77/1,967,157.57 = 780,880.91/x
  3. Step 3: Cross multiply
    1,425,474.77x = 1,967,157.57 × 780,880.91
  4. Step 4: Simplify right side
    1,425,474.77x = 1,536,115,793,374.99
  5. Step 5: Solve for x
    x = 1,536,115,793,374.99/1,425,474.77
  6. Step 6: Final answer
    x = 1,077,616.96

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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.