Home / 1,438,677.94-1,985,344.89-785,282.26

Finding the Fourth Proportional to 1,438,677.94, 1,985,344.89 and 785,282.26

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Solution

The fourth proportional to 1,438,677.94, 1,985,344.89 and 785,282.26 is: 1,083,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,677.94 : 1,985,344.89 = 785,282.26 : x
  2. Step 2: Convert to fraction form
    1,438,677.94/1,985,344.89 = 785,282.26/x
  3. Step 3: Cross multiply
    1,438,677.94x = 1,985,344.89 × 785,282.26
  4. Step 4: Simplify right side
    1,438,677.94x = 1,559,056,122,098.65
  5. Step 5: Solve for x
    x = 1,559,056,122,098.65/1,438,677.94
  6. Step 6: Final answer
    x = 1,083,672.78

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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.