Home / 1,425,748.26-1,967,532.21-781,192.92

Finding the Fourth Proportional to 1,425,748.26, 1,967,532.21 and 781,192.92

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Solution

The fourth proportional to 1,425,748.26, 1,967,532.21 and 781,192.92 is: 1,078,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,748.26 : 1,967,532.21 = 781,192.92 : x
  2. Step 2: Convert to fraction form
    1,425,748.26/1,967,532.21 = 781,192.92/x
  3. Step 3: Cross multiply
    1,425,748.26x = 1,967,532.21 × 781,192.92
  4. Step 4: Simplify right side
    1,425,748.26x = 1,537,022,232,323.95
  5. Step 5: Solve for x
    x = 1,537,022,232,323.95/1,425,748.26
  6. Step 6: Final answer
    x = 1,078,046.02

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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.