Home / 1,425,633.95-1,967,377.35-781,040.27

Finding the Fourth Proportional to 1,425,633.95, 1,967,377.35 and 781,040.27

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Solution

The fourth proportional to 1,425,633.95, 1,967,377.35 and 781,040.27 is: 1,077,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,633.95 : 1,967,377.35 = 781,040.27 : x
  2. Step 2: Convert to fraction form
    1,425,633.95/1,967,377.35 = 781,040.27/x
  3. Step 3: Cross multiply
    1,425,633.95x = 1,967,377.35 × 781,040.27
  4. Step 4: Simplify right side
    1,425,633.95x = 1,536,600,936,635.88
  5. Step 5: Solve for x
    x = 1,536,600,936,635.88/1,425,633.95
  6. Step 6: Final answer
    x = 1,077,836.94

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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.