Home / 1,078,211.58-1,488,410.10-696,424.56

Finding the Fourth Proportional to 1,078,211.58, 1,488,410.10 and 696,424.56

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Solution

The fourth proportional to 1,078,211.58, 1,488,410.10 and 696,424.56 is: 961,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,211.58 : 1,488,410.10 = 696,424.56 : x
  2. Step 2: Convert to fraction form
    1,078,211.58/1,488,410.10 = 696,424.56/x
  3. Step 3: Cross multiply
    1,078,211.58x = 1,488,410.10 × 696,424.56
  4. Step 4: Simplify right side
    1,078,211.58x = 1,036,565,348,992.06
  5. Step 5: Solve for x
    x = 1,036,565,348,992.06/1,078,211.58
  6. Step 6: Final answer
    x = 961,374.71

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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.