Home / 1,369,242.29-1,889,408.90-757,297.82

Finding the Fourth Proportional to 1,369,242.29, 1,889,408.90 and 757,297.82

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Solution

The fourth proportional to 1,369,242.29, 1,889,408.90 and 757,297.82 is: 1,044,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,242.29 : 1,889,408.90 = 757,297.82 : x
  2. Step 2: Convert to fraction form
    1,369,242.29/1,889,408.90 = 757,297.82/x
  3. Step 3: Cross multiply
    1,369,242.29x = 1,889,408.90 × 757,297.82
  4. Step 4: Simplify right side
    1,369,242.29x = 1,430,845,247,675.37
  5. Step 5: Solve for x
    x = 1,430,845,247,675.37/1,369,242.29
  6. Step 6: Final answer
    x = 1,044,990.54

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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.