Home / 1,438,716.35-1,985,428.67-794,136.71

Finding the Fourth Proportional to 1,438,716.35, 1,985,428.67 and 794,136.71

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Solution

The fourth proportional to 1,438,716.35, 1,985,428.67 and 794,136.71 is: 1,095,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,716.35 : 1,985,428.67 = 794,136.71 : x
  2. Step 2: Convert to fraction form
    1,438,716.35/1,985,428.67 = 794,136.71/x
  3. Step 3: Cross multiply
    1,438,716.35x = 1,985,428.67 × 794,136.71
  4. Step 4: Simplify right side
    1,438,716.35x = 1,576,701,778,035.65
  5. Step 5: Solve for x
    x = 1,576,701,778,035.65/1,438,716.35
  6. Step 6: Final answer
    x = 1,095,908.71

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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.