Home / 1,107,405.30-1,661,885.55-476,771.70

Finding the Fourth Proportional to 1,107,405.30, 1,661,885.55 and 476,771.70

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Solution

The fourth proportional to 1,107,405.30, 1,661,885.55 and 476,771.70 is: 715,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,405.30 : 1,661,885.55 = 476,771.70 : x
  2. Step 2: Convert to fraction form
    1,107,405.30/1,661,885.55 = 476,771.70/x
  3. Step 3: Cross multiply
    1,107,405.30x = 1,661,885.55 × 476,771.70
  4. Step 4: Simplify right side
    1,107,405.30x = 792,339,998,878.94
  5. Step 5: Solve for x
    x = 792,339,998,878.94/1,107,405.30
  6. Step 6: Final answer
    x = 715,492.33

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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.