Home / 1,223,845.20-1,835,055-475,016.40

Finding the Fourth Proportional to 1,223,845.20, 1,835,055 and 475,016.40

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Solution

The fourth proportional to 1,223,845.20, 1,835,055 and 475,016.40 is: 712,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,845.20 : 1,835,055 = 475,016.40 : x
  2. Step 2: Convert to fraction form
    1,223,845.20/1,835,055 = 475,016.40/x
  3. Step 3: Cross multiply
    1,223,845.20x = 1,835,055 × 475,016.40
  4. Step 4: Simplify right side
    1,223,845.20x = 871,681,219,902
  5. Step 5: Solve for x
    x = 871,681,219,902/1,223,845.20
  6. Step 6: Final answer
    x = 712,247.94

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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.