Home / 1,117,942.20-1,542,758.12-608,643.36

Finding the Fourth Proportional to 1,117,942.20, 1,542,758.12 and 608,643.36

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Solution

The fourth proportional to 1,117,942.20, 1,542,758.12 and 608,643.36 is: 839,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,942.20 : 1,542,758.12 = 608,643.36 : x
  2. Step 2: Convert to fraction form
    1,117,942.20/1,542,758.12 = 608,643.36/x
  3. Step 3: Cross multiply
    1,117,942.20x = 1,542,758.12 × 608,643.36
  4. Step 4: Simplify right side
    1,117,942.20x = 938,989,485,824.08
  5. Step 5: Solve for x
    x = 938,989,485,824.08/1,117,942.20
  6. Step 6: Final answer
    x = 839,926.68

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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.