Home / 1,425,512.91-1,967,257.02-780,932.94

Finding the Fourth Proportional to 1,425,512.91, 1,967,257.02 and 780,932.94

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Solution

The fourth proportional to 1,425,512.91, 1,967,257.02 and 780,932.94 is: 1,077,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,512.91 : 1,967,257.02 = 780,932.94 : x
  2. Step 2: Convert to fraction form
    1,425,512.91/1,967,257.02 = 780,932.94/x
  3. Step 3: Cross multiply
    1,425,512.91x = 1,967,257.02 × 780,932.94
  4. Step 4: Simplify right side
    1,425,512.91x = 1,536,295,808,364.24
  5. Step 5: Solve for x
    x = 1,536,295,808,364.24/1,425,512.91
  6. Step 6: Final answer
    x = 1,077,714.41

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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.