Home / 1,340,557.85-2,010,203.26-487,034.33

Finding the Fourth Proportional to 1,340,557.85, 2,010,203.26 and 487,034.33

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Solution

The fourth proportional to 1,340,557.85, 2,010,203.26 and 487,034.33 is: 730,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,557.85 : 2,010,203.26 = 487,034.33 : x
  2. Step 2: Convert to fraction form
    1,340,557.85/2,010,203.26 = 487,034.33/x
  3. Step 3: Cross multiply
    1,340,557.85x = 2,010,203.26 × 487,034.33
  4. Step 4: Simplify right side
    1,340,557.85x = 979,037,986,629.31
  5. Step 5: Solve for x
    x = 979,037,986,629.31/1,340,557.85
  6. Step 6: Final answer
    x = 730,321.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.