Home / 1,078,214.58-1,488,414.24-696,427.56

Finding the Fourth Proportional to 1,078,214.58, 1,488,414.24 and 696,427.56

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Solution

The fourth proportional to 1,078,214.58, 1,488,414.24 and 696,427.56 is: 961,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,214.58 : 1,488,414.24 = 696,427.56 : x
  2. Step 2: Convert to fraction form
    1,078,214.58/1,488,414.24 = 696,427.56/x
  3. Step 3: Cross multiply
    1,078,214.58x = 1,488,414.24 × 696,427.56
  4. Step 4: Simplify right side
    1,078,214.58x = 1,036,572,697,432.45
  5. Step 5: Solve for x
    x = 1,036,572,697,432.45/1,078,214.58
  6. Step 6: Final answer
    x = 961,378.85

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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.