Home / 1,779,331.89-2,455,653.65-1,015,499.73

Finding the Fourth Proportional to 1,779,331.89, 2,455,653.65 and 1,015,499.73

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Solution

The fourth proportional to 1,779,331.89, 2,455,653.65 and 1,015,499.73 is: 1,401,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,331.89 : 2,455,653.65 = 1,015,499.73 : x
  2. Step 2: Convert to fraction form
    1,779,331.89/2,455,653.65 = 1,015,499.73/x
  3. Step 3: Cross multiply
    1,779,331.89x = 2,455,653.65 × 1,015,499.73
  4. Step 4: Simplify right side
    1,779,331.89x = 2,493,715,613,471.02
  5. Step 5: Solve for x
    x = 2,493,715,613,471.02/1,779,331.89
  6. Step 6: Final answer
    x = 1,401,489.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.