Home / 1,419,637.78-1,959,016.96-774,928.41

Finding the Fourth Proportional to 1,419,637.78, 1,959,016.96 and 774,928.41

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Solution

The fourth proportional to 1,419,637.78, 1,959,016.96 and 774,928.41 is: 1,069,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,637.78 : 1,959,016.96 = 774,928.41 : x
  2. Step 2: Convert to fraction form
    1,419,637.78/1,959,016.96 = 774,928.41/x
  3. Step 3: Cross multiply
    1,419,637.78x = 1,959,016.96 × 774,928.41
  4. Step 4: Simplify right side
    1,419,637.78x = 1,518,097,897,975.83
  5. Step 5: Solve for x
    x = 1,518,097,897,975.83/1,419,637.78
  6. Step 6: Final answer
    x = 1,069,355.80

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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.