Home / 1,086,408.58-1,499,519.44-742,383.76

Finding the Fourth Proportional to 1,086,408.58, 1,499,519.44 and 742,383.76

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Solution

The fourth proportional to 1,086,408.58, 1,499,519.44 and 742,383.76 is: 1,024,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,408.58 : 1,499,519.44 = 742,383.76 : x
  2. Step 2: Convert to fraction form
    1,086,408.58/1,499,519.44 = 742,383.76/x
  3. Step 3: Cross multiply
    1,086,408.58x = 1,499,519.44 × 742,383.76
  4. Step 4: Simplify right side
    1,086,408.58x = 1,113,218,880,060.29
  5. Step 5: Solve for x
    x = 1,113,218,880,060.29/1,086,408.58
  6. Step 6: Final answer
    x = 1,024,677.92

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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.