Home / 1,123,137.53-1,549,929.84-613,839.92

Finding the Fourth Proportional to 1,123,137.53, 1,549,929.84 and 613,839.92

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Solution

The fourth proportional to 1,123,137.53, 1,549,929.84 and 613,839.92 is: 847,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,137.53 : 1,549,929.84 = 613,839.92 : x
  2. Step 2: Convert to fraction form
    1,123,137.53/1,549,929.84 = 613,839.92/x
  3. Step 3: Cross multiply
    1,123,137.53x = 1,549,929.84 × 613,839.92
  4. Step 4: Simplify right side
    1,123,137.53x = 951,408,808,991.21
  5. Step 5: Solve for x
    x = 951,408,808,991.21/1,123,137.53
  6. Step 6: Final answer
    x = 847,099.12

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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.