Home / 1,340,396.34-1,849,759.34-728,550.48

Finding the Fourth Proportional to 1,340,396.34, 1,849,759.34 and 728,550.48

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Solution

The fourth proportional to 1,340,396.34, 1,849,759.34 and 728,550.48 is: 1,005,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,396.34 : 1,849,759.34 = 728,550.48 : x
  2. Step 2: Convert to fraction form
    1,340,396.34/1,849,759.34 = 728,550.48/x
  3. Step 3: Cross multiply
    1,340,396.34x = 1,849,759.34 × 728,550.48
  4. Step 4: Simplify right side
    1,340,396.34x = 1,347,643,058,335.33
  5. Step 5: Solve for x
    x = 1,347,643,058,335.33/1,340,396.34
  6. Step 6: Final answer
    x = 1,005,406.40

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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.