Home / 1,423,367.87-2,135,161.35-412,503.66

Finding the Fourth Proportional to 1,423,367.87, 2,135,161.35 and 412,503.66

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Solution

The fourth proportional to 1,423,367.87, 2,135,161.35 and 412,503.66 is: 618,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,367.87 : 2,135,161.35 = 412,503.66 : x
  2. Step 2: Convert to fraction form
    1,423,367.87/2,135,161.35 = 412,503.66/x
  3. Step 3: Cross multiply
    1,423,367.87x = 2,135,161.35 × 412,503.66
  4. Step 4: Simplify right side
    1,423,367.87x = 880,761,871,565.54
  5. Step 5: Solve for x
    x = 880,761,871,565.54/1,423,367.87
  6. Step 6: Final answer
    x = 618,787.24

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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.