Home / 1,115,017.64-1,538,724.35-605,720.02

Finding the Fourth Proportional to 1,115,017.64, 1,538,724.35 and 605,720.02

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Solution

The fourth proportional to 1,115,017.64, 1,538,724.35 and 605,720.02 is: 835,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,017.64 : 1,538,724.35 = 605,720.02 : x
  2. Step 2: Convert to fraction form
    1,115,017.64/1,538,724.35 = 605,720.02/x
  3. Step 3: Cross multiply
    1,115,017.64x = 1,538,724.35 × 605,720.02
  4. Step 4: Simplify right side
    1,115,017.64x = 932,036,133,334.27
  5. Step 5: Solve for x
    x = 932,036,133,334.27/1,115,017.64
  6. Step 6: Final answer
    x = 835,893.62

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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.