Home / 1,109,885.87-1,664,829.62-268,438.43

Finding the Fourth Proportional to 1,109,885.87, 1,664,829.62 and 268,438.43

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Solution

The fourth proportional to 1,109,885.87, 1,664,829.62 and 268,438.43 is: 402,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,885.87 : 1,664,829.62 = 268,438.43 : x
  2. Step 2: Convert to fraction form
    1,109,885.87/1,664,829.62 = 268,438.43/x
  3. Step 3: Cross multiply
    1,109,885.87x = 1,664,829.62 × 268,438.43
  4. Step 4: Simplify right side
    1,109,885.87x = 446,904,248,068.10
  5. Step 5: Solve for x
    x = 446,904,248,068.10/1,109,885.87
  6. Step 6: Final answer
    x = 402,657.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.