Home / 1,300,015.09-1,948,425.47-730,198.38

Finding the Fourth Proportional to 1,300,015.09, 1,948,425.47 and 730,198.38

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Solution

The fourth proportional to 1,300,015.09, 1,948,425.47 and 730,198.38 is: 1,094,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,015.09 : 1,948,425.47 = 730,198.38 : x
  2. Step 2: Convert to fraction form
    1,300,015.09/1,948,425.47 = 730,198.38/x
  3. Step 3: Cross multiply
    1,300,015.09x = 1,948,425.47 × 730,198.38
  4. Step 4: Simplify right side
    1,300,015.09x = 1,422,737,121,744.74
  5. Step 5: Solve for x
    x = 1,422,737,121,744.74/1,300,015.09
  6. Step 6: Final answer
    x = 1,094,400.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.