Home / 1,040,123.08-1,560,357.41-409,057.48

Finding the Fourth Proportional to 1,040,123.08, 1,560,357.41 and 409,057.48

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Solution

The fourth proportional to 1,040,123.08, 1,560,357.41 and 409,057.48 is: 613,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,123.08 : 1,560,357.41 = 409,057.48 : x
  2. Step 2: Convert to fraction form
    1,040,123.08/1,560,357.41 = 409,057.48/x
  3. Step 3: Cross multiply
    1,040,123.08x = 1,560,357.41 × 409,057.48
  4. Step 4: Simplify right side
    1,040,123.08x = 638,275,863,254.78
  5. Step 5: Solve for x
    x = 638,275,863,254.78/1,040,123.08
  6. Step 6: Final answer
    x = 613,654.17

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1.5x scale

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.