Home / 1,040,678.43-1,436,578.91-632,911.25

Finding the Fourth Proportional to 1,040,678.43, 1,436,578.91 and 632,911.25

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Solution

The fourth proportional to 1,040,678.43, 1,436,578.91 and 632,911.25 is: 873,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,678.43 : 1,436,578.91 = 632,911.25 : x
  2. Step 2: Convert to fraction form
    1,040,678.43/1,436,578.91 = 632,911.25/x
  3. Step 3: Cross multiply
    1,040,678.43x = 1,436,578.91 × 632,911.25
  4. Step 4: Simplify right side
    1,040,678.43x = 909,226,945,677.70
  5. Step 5: Solve for x
    x = 909,226,945,677.70/1,040,678.43
  6. Step 6: Final answer
    x = 873,686.74

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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.