Home / 1,259,433.88-1,738,019.25-715,570.39

Finding the Fourth Proportional to 1,259,433.88, 1,738,019.25 and 715,570.39

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Solution

The fourth proportional to 1,259,433.88, 1,738,019.25 and 715,570.39 is: 987,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,433.88 : 1,738,019.25 = 715,570.39 : x
  2. Step 2: Convert to fraction form
    1,259,433.88/1,738,019.25 = 715,570.39/x
  3. Step 3: Cross multiply
    1,259,433.88x = 1,738,019.25 × 715,570.39
  4. Step 4: Simplify right side
    1,259,433.88x = 1,243,675,112,550.01
  5. Step 5: Solve for x
    x = 1,243,675,112,550.01/1,259,433.88
  6. Step 6: Final answer
    x = 987,487.42

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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.