Home / 1,077,962.90-1,616,949.15-279,187.70

Finding the Fourth Proportional to 1,077,962.90, 1,616,949.15 and 279,187.70

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Solution

The fourth proportional to 1,077,962.90, 1,616,949.15 and 279,187.70 is: 418,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,962.90 : 1,616,949.15 = 279,187.70 : x
  2. Step 2: Convert to fraction form
    1,077,962.90/1,616,949.15 = 279,187.70/x
  3. Step 3: Cross multiply
    1,077,962.90x = 1,616,949.15 × 279,187.70
  4. Step 4: Simplify right side
    1,077,962.90x = 451,432,314,205.46
  5. Step 5: Solve for x
    x = 451,432,314,205.46/1,077,962.90
  6. Step 6: Final answer
    x = 418,782.79

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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.