Home / 1,161,214.80-1,739,489.40-806,629.20

Finding the Fourth Proportional to 1,161,214.80, 1,739,489.40 and 806,629.20

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Solution

The fourth proportional to 1,161,214.80, 1,739,489.40 and 806,629.20 is: 1,208,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,214.80 : 1,739,489.40 = 806,629.20 : x
  2. Step 2: Convert to fraction form
    1,161,214.80/1,739,489.40 = 806,629.20/x
  3. Step 3: Cross multiply
    1,161,214.80x = 1,739,489.40 × 806,629.20
  4. Step 4: Simplify right side
    1,161,214.80x = 1,403,122,943,130.48
  5. Step 5: Solve for x
    x = 1,403,122,943,130.48/1,161,214.80
  6. Step 6: Final answer
    x = 1,208,323.34

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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.