Home / 1,040,149-1,435,414.26-563,221

Finding the Fourth Proportional to 1,040,149, 1,435,414.26 and 563,221

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Solution

The fourth proportional to 1,040,149, 1,435,414.26 and 563,221 is: 777,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,149 : 1,435,414.26 = 563,221 : x
  2. Step 2: Convert to fraction form
    1,040,149/1,435,414.26 = 563,221/x
  3. Step 3: Cross multiply
    1,040,149x = 1,435,414.26 × 563,221
  4. Step 4: Simplify right side
    1,040,149x = 808,455,454,931.46
  5. Step 5: Solve for x
    x = 808,455,454,931.46/1,040,149
  6. Step 6: Final answer
    x = 777,249.66

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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.