Home / 1,214,074.90-1,820,684.77-404,239.42

Finding the Fourth Proportional to 1,214,074.90, 1,820,684.77 and 404,239.42

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Solution

The fourth proportional to 1,214,074.90, 1,820,684.77 and 404,239.42 is: 606,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,074.90 : 1,820,684.77 = 404,239.42 : x
  2. Step 2: Convert to fraction form
    1,214,074.90/1,820,684.77 = 404,239.42/x
  3. Step 3: Cross multiply
    1,214,074.90x = 1,820,684.77 × 404,239.42
  4. Step 4: Simplify right side
    1,214,074.90x = 735,992,555,427.63
  5. Step 5: Solve for x
    x = 735,992,555,427.63/1,214,074.90
  6. Step 6: Final answer
    x = 606,216.76

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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.