Home / 1,438,692.30-1,985,395.55-794,112.66

Finding the Fourth Proportional to 1,438,692.30, 1,985,395.55 and 794,112.66

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Solution

The fourth proportional to 1,438,692.30, 1,985,395.55 and 794,112.66 is: 1,095,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,692.30 : 1,985,395.55 = 794,112.66 : x
  2. Step 2: Convert to fraction form
    1,438,692.30/1,985,395.55 = 794,112.66/x
  3. Step 3: Cross multiply
    1,438,692.30x = 1,985,395.55 × 794,112.66
  4. Step 4: Simplify right side
    1,438,692.30x = 1,576,627,737,392.10
  5. Step 5: Solve for x
    x = 1,576,627,737,392.10/1,438,692.30
  6. Step 6: Final answer
    x = 1,095,875.57

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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.