Home / 1,339,936.95-1,849,108.97-728,091.58

Finding the Fourth Proportional to 1,339,936.95, 1,849,108.97 and 728,091.58

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Solution

The fourth proportional to 1,339,936.95, 1,849,108.97 and 728,091.58 is: 1,004,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,936.95 : 1,849,108.97 = 728,091.58 : x
  2. Step 2: Convert to fraction form
    1,339,936.95/1,849,108.97 = 728,091.58/x
  3. Step 3: Cross multiply
    1,339,936.95x = 1,849,108.97 × 728,091.58
  4. Step 4: Simplify right side
    1,339,936.95x = 1,346,320,671,559.47
  5. Step 5: Solve for x
    x = 1,346,320,671,559.47/1,339,936.95
  6. Step 6: Final answer
    x = 1,004,764.20

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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.