Home / 1,384,154.36-1,908,939.66-900,542.84

Finding the Fourth Proportional to 1,384,154.36, 1,908,939.66 and 900,542.84

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Solution

The fourth proportional to 1,384,154.36, 1,908,939.66 and 900,542.84 is: 1,241,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,154.36 : 1,908,939.66 = 900,542.84 : x
  2. Step 2: Convert to fraction form
    1,384,154.36/1,908,939.66 = 900,542.84/x
  3. Step 3: Cross multiply
    1,384,154.36x = 1,908,939.66 × 900,542.84
  4. Step 4: Simplify right side
    1,384,154.36x = 1,719,081,942,805.03
  5. Step 5: Solve for x
    x = 1,719,081,942,805.03/1,384,154.36
  6. Step 6: Final answer
    x = 1,241,972.71

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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.