Home / 1,209,392.86-1,814,023.68-367,879

Finding the Fourth Proportional to 1,209,392.86, 1,814,023.68 and 367,879

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Solution

The fourth proportional to 1,209,392.86, 1,814,023.68 and 367,879 is: 551,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,392.86 : 1,814,023.68 = 367,879 : x
  2. Step 2: Convert to fraction form
    1,209,392.86/1,814,023.68 = 367,879/x
  3. Step 3: Cross multiply
    1,209,392.86x = 1,814,023.68 × 367,879
  4. Step 4: Simplify right side
    1,209,392.86x = 667,341,217,374.72
  5. Step 5: Solve for x
    x = 667,341,217,374.72/1,209,392.86
  6. Step 6: Final answer
    x = 551,798.54

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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.