Home / 1,340,516.39-2,010,142.85-486,986.18

Finding the Fourth Proportional to 1,340,516.39, 2,010,142.85 and 486,986.18

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Solution

The fourth proportional to 1,340,516.39, 2,010,142.85 and 486,986.18 is: 730,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,516.39 : 2,010,142.85 = 486,986.18 : x
  2. Step 2: Convert to fraction form
    1,340,516.39/2,010,142.85 = 486,986.18/x
  3. Step 3: Cross multiply
    1,340,516.39x = 2,010,142.85 × 486,986.18
  4. Step 4: Simplify right side
    1,340,516.39x = 978,911,775,290.17
  5. Step 5: Solve for x
    x = 978,911,775,290.17/1,340,516.39
  6. Step 6: Final answer
    x = 730,249.77

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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.