Home / 1,040,503.68-1,435,470.12-824,778

Finding the Fourth Proportional to 1,040,503.68, 1,435,470.12 and 824,778

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Solution

The fourth proportional to 1,040,503.68, 1,435,470.12 and 824,778 is: 1,137,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,503.68 : 1,435,470.12 = 824,778 : x
  2. Step 2: Convert to fraction form
    1,040,503.68/1,435,470.12 = 824,778/x
  3. Step 3: Cross multiply
    1,040,503.68x = 1,435,470.12 × 824,778
  4. Step 4: Simplify right side
    1,040,503.68x = 1,183,944,174,633.36
  5. Step 5: Solve for x
    x = 1,183,944,174,633.36/1,040,503.68
  6. Step 6: Final answer
    x = 1,137,856.79

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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.