Home / 1,354,844.36-1,869,513.38-742,836.08

Finding the Fourth Proportional to 1,354,844.36, 1,869,513.38 and 742,836.08

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Solution

The fourth proportional to 1,354,844.36, 1,869,513.38 and 742,836.08 is: 1,025,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,844.36 : 1,869,513.38 = 742,836.08 : x
  2. Step 2: Convert to fraction form
    1,354,844.36/1,869,513.38 = 742,836.08/x
  3. Step 3: Cross multiply
    1,354,844.36x = 1,869,513.38 × 742,836.08
  4. Step 4: Simplify right side
    1,354,844.36x = 1,388,741,988,131.84
  5. Step 5: Solve for x
    x = 1,388,741,988,131.84/1,354,844.36
  6. Step 6: Final answer
    x = 1,025,019.57

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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.