Home / 1,368,448.88-1,888,426.84-764,893.04

Finding the Fourth Proportional to 1,368,448.88, 1,888,426.84 and 764,893.04

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Solution

The fourth proportional to 1,368,448.88, 1,888,426.84 and 764,893.04 is: 1,055,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,448.88 : 1,888,426.84 = 764,893.04 : x
  2. Step 2: Convert to fraction form
    1,368,448.88/1,888,426.84 = 764,893.04/x
  3. Step 3: Cross multiply
    1,368,448.88x = 1,888,426.84 × 764,893.04
  4. Step 4: Simplify right side
    1,368,448.88x = 1,444,444,546,465.19
  5. Step 5: Solve for x
    x = 1,444,444,546,465.19/1,368,448.88
  6. Step 6: Final answer
    x = 1,055,534.17

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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.