Home / 1,311,232.16-1,809,556.20-730,454.60

Finding the Fourth Proportional to 1,311,232.16, 1,809,556.20 and 730,454.60

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Solution

The fourth proportional to 1,311,232.16, 1,809,556.20 and 730,454.60 is: 1,008,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,232.16 : 1,809,556.20 = 730,454.60 : x
  2. Step 2: Convert to fraction form
    1,311,232.16/1,809,556.20 = 730,454.60/x
  3. Step 3: Cross multiply
    1,311,232.16x = 1,809,556.20 × 730,454.60
  4. Step 4: Simplify right side
    1,311,232.16x = 1,321,798,650,248.52
  5. Step 5: Solve for x
    x = 1,321,798,650,248.52/1,311,232.16
  6. Step 6: Final answer
    x = 1,008,058.44

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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.