Home / 1,117,578.78-1,542,257.55-608,279.94

Finding the Fourth Proportional to 1,117,578.78, 1,542,257.55 and 608,279.94

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Solution

The fourth proportional to 1,117,578.78, 1,542,257.55 and 608,279.94 is: 839,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,578.78 : 1,542,257.55 = 608,279.94 : x
  2. Step 2: Convert to fraction form
    1,117,578.78/1,542,257.55 = 608,279.94/x
  3. Step 3: Cross multiply
    1,117,578.78x = 1,542,257.55 × 608,279.94
  4. Step 4: Simplify right side
    1,117,578.78x = 938,124,329,978.55
  5. Step 5: Solve for x
    x = 938,124,329,978.55/1,117,578.78
  6. Step 6: Final answer
    x = 839,425.68

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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.