Home / 1,424,462.19-1,965,757.89-779,882.43

Finding the Fourth Proportional to 1,424,462.19, 1,965,757.89 and 779,882.43

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Solution

The fourth proportional to 1,424,462.19, 1,965,757.89 and 779,882.43 is: 1,076,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,462.19 : 1,965,757.89 = 779,882.43 : x
  2. Step 2: Convert to fraction form
    1,424,462.19/1,965,757.89 = 779,882.43/x
  3. Step 3: Cross multiply
    1,424,462.19x = 1,965,757.89 × 779,882.43
  4. Step 4: Simplify right side
    1,424,462.19x = 1,533,060,040,044.87
  5. Step 5: Solve for x
    x = 1,533,060,040,044.87/1,424,462.19
  6. Step 6: Final answer
    x = 1,076,237.79

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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.