Home / 1,380,402.71-2,071,102.37-481,976.83

Finding the Fourth Proportional to 1,380,402.71, 2,071,102.37 and 481,976.83

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Solution

The fourth proportional to 1,380,402.71, 2,071,102.37 and 481,976.83 is: 723,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,402.71 : 2,071,102.37 = 481,976.83 : x
  2. Step 2: Convert to fraction form
    1,380,402.71/2,071,102.37 = 481,976.83/x
  3. Step 3: Cross multiply
    1,380,402.71x = 2,071,102.37 × 481,976.83
  4. Step 4: Simplify right side
    1,380,402.71x = 998,223,355,077.08
  5. Step 5: Solve for x
    x = 998,223,355,077.08/1,380,402.71
  6. Step 6: Final answer
    x = 723,139.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.