Home / 1,188,888.25-1,782,958.02-389,984.17

Finding the Fourth Proportional to 1,188,888.25, 1,782,958.02 and 389,984.17

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Solution

The fourth proportional to 1,188,888.25, 1,782,958.02 and 389,984.17 is: 584,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,888.25 : 1,782,958.02 = 389,984.17 : x
  2. Step 2: Convert to fraction form
    1,188,888.25/1,782,958.02 = 389,984.17/x
  3. Step 3: Cross multiply
    1,188,888.25x = 1,782,958.02 × 389,984.17
  4. Step 4: Simplify right side
    1,188,888.25x = 695,325,403,574.54
  5. Step 5: Solve for x
    x = 695,325,403,574.54/1,188,888.25
  6. Step 6: Final answer
    x = 584,853.46

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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.