Home / 1,259,771.45-1,738,484.54-715,908.29

Finding the Fourth Proportional to 1,259,771.45, 1,738,484.54 and 715,908.29

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Solution

The fourth proportional to 1,259,771.45, 1,738,484.54 and 715,908.29 is: 987,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,771.45 : 1,738,484.54 = 715,908.29 : x
  2. Step 2: Convert to fraction form
    1,259,771.45/1,738,484.54 = 715,908.29/x
  3. Step 3: Cross multiply
    1,259,771.45x = 1,738,484.54 × 715,908.29
  4. Step 4: Simplify right side
    1,259,771.45x = 1,244,595,494,414.50
  5. Step 5: Solve for x
    x = 1,244,595,494,414.50/1,259,771.45
  6. Step 6: Final answer
    x = 987,953.41

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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.