Home / 1,548,418.25-2,136,817.19-869,369.33

Finding the Fourth Proportional to 1,548,418.25, 2,136,817.19 and 869,369.33

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Solution

The fourth proportional to 1,548,418.25, 2,136,817.19 and 869,369.33 is: 1,199,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,418.25 : 2,136,817.19 = 869,369.33 : x
  2. Step 2: Convert to fraction form
    1,548,418.25/2,136,817.19 = 869,369.33/x
  3. Step 3: Cross multiply
    1,548,418.25x = 2,136,817.19 × 869,369.33
  4. Step 4: Simplify right side
    1,548,418.25x = 1,857,683,328,802.78
  5. Step 5: Solve for x
    x = 1,857,683,328,802.78/1,548,418.25
  6. Step 6: Final answer
    x = 1,199,729.68

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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.