Home / 1,858,806.02-2,787,987.54-511,105.58

Finding the Fourth Proportional to 1,858,806.02, 2,787,987.54 and 511,105.58

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Solution

The fourth proportional to 1,858,806.02, 2,787,987.54 and 511,105.58 is: 766,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,806.02 : 2,787,987.54 = 511,105.58 : x
  2. Step 2: Convert to fraction form
    1,858,806.02/2,787,987.54 = 511,105.58/x
  3. Step 3: Cross multiply
    1,858,806.02x = 2,787,987.54 × 511,105.58
  4. Step 4: Simplify right side
    1,858,806.02x = 1,424,955,988,664.47
  5. Step 5: Solve for x
    x = 1,424,955,988,664.47/1,858,806.02
  6. Step 6: Final answer
    x = 766,597.47

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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.