Home / 1,438,907.81-1,985,640.73-794,314.16

Finding the Fourth Proportional to 1,438,907.81, 1,985,640.73 and 794,314.16

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Solution

The fourth proportional to 1,438,907.81, 1,985,640.73 and 794,314.16 is: 1,096,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,907.81 : 1,985,640.73 = 794,314.16 : x
  2. Step 2: Convert to fraction form
    1,438,907.81/1,985,640.73 = 794,314.16/x
  3. Step 3: Cross multiply
    1,438,907.81x = 1,985,640.73 × 794,314.16
  4. Step 4: Simplify right side
    1,438,907.81x = 1,577,222,548,511.74
  5. Step 5: Solve for x
    x = 1,577,222,548,511.74/1,438,907.81
  6. Step 6: Final answer
    x = 1,096,124.81

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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.