Home / 1,368,141.44-1,888,056.96-764,568.32

Finding the Fourth Proportional to 1,368,141.44, 1,888,056.96 and 764,568.32

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Solution

The fourth proportional to 1,368,141.44, 1,888,056.96 and 764,568.32 is: 1,055,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,141.44 : 1,888,056.96 = 764,568.32 : x
  2. Step 2: Convert to fraction form
    1,368,141.44/1,888,056.96 = 764,568.32/x
  3. Step 3: Cross multiply
    1,368,141.44x = 1,888,056.96 × 764,568.32
  4. Step 4: Simplify right side
    1,368,141.44x = 1,443,548,537,971.51
  5. Step 5: Solve for x
    x = 1,443,548,537,971.51/1,368,141.44
  6. Step 6: Final answer
    x = 1,055,116.45

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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.