Home / 1,613,999.70-2,420,999.55-667,055.70

Finding the Fourth Proportional to 1,613,999.70, 2,420,999.55 and 667,055.70

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Solution

The fourth proportional to 1,613,999.70, 2,420,999.55 and 667,055.70 is: 1,000,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,999.70 : 2,420,999.55 = 667,055.70 : x
  2. Step 2: Convert to fraction form
    1,613,999.70/2,420,999.55 = 667,055.70/x
  3. Step 3: Cross multiply
    1,613,999.70x = 2,420,999.55 × 667,055.70
  4. Step 4: Simplify right side
    1,613,999.70x = 1,614,941,549,524.93
  5. Step 5: Solve for x
    x = 1,614,941,549,524.93/1,613,999.70
  6. Step 6: Final answer
    x = 1,000,583.55

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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.