Home / 1,426,227-1,968,208.32-781,633.04

Finding the Fourth Proportional to 1,426,227, 1,968,208.32 and 781,633.04

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Solution

The fourth proportional to 1,426,227, 1,968,208.32 and 781,633.04 is: 1,078,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,227 : 1,968,208.32 = 781,633.04 : x
  2. Step 2: Convert to fraction form
    1,426,227/1,968,208.32 = 781,633.04/x
  3. Step 3: Cross multiply
    1,426,227x = 1,968,208.32 × 781,633.04
  4. Step 4: Simplify right side
    1,426,227x = 1,538,416,652,514.89
  5. Step 5: Solve for x
    x = 1,538,416,652,514.89/1,426,227
  6. Step 6: Final answer
    x = 1,078,661.85

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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.