Home / 1,378,213.26-2,067,155.37-367,411.02

Finding the Fourth Proportional to 1,378,213.26, 2,067,155.37 and 367,411.02

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Solution

The fourth proportional to 1,378,213.26, 2,067,155.37 and 367,411.02 is: 551,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,213.26 : 2,067,155.37 = 367,411.02 : x
  2. Step 2: Convert to fraction form
    1,378,213.26/2,067,155.37 = 367,411.02/x
  3. Step 3: Cross multiply
    1,378,213.26x = 2,067,155.37 × 367,411.02
  4. Step 4: Simplify right side
    1,378,213.26x = 759,495,662,990.18
  5. Step 5: Solve for x
    x = 759,495,662,990.18/1,378,213.26
  6. Step 6: Final answer
    x = 551,072.67

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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.