Home / 1,368,876.24-1,889,061.75-756,997.38

Finding the Fourth Proportional to 1,368,876.24, 1,889,061.75 and 756,997.38

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Solution

The fourth proportional to 1,368,876.24, 1,889,061.75 and 756,997.38 is: 1,044,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,876.24 : 1,889,061.75 = 756,997.38 : x
  2. Step 2: Convert to fraction form
    1,368,876.24/1,889,061.75 = 756,997.38/x
  3. Step 3: Cross multiply
    1,368,876.24x = 1,889,061.75 × 756,997.38
  4. Step 4: Simplify right side
    1,368,876.24x = 1,430,014,795,408.22
  5. Step 5: Solve for x
    x = 1,430,014,795,408.22/1,368,876.24
  6. Step 6: Final answer
    x = 1,044,663.32

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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.