Home / 1,129,930.40-1,694,898.40-277,005.80

Finding the Fourth Proportional to 1,129,930.40, 1,694,898.40 and 277,005.80

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Solution

The fourth proportional to 1,129,930.40, 1,694,898.40 and 277,005.80 is: 415,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,930.40 : 1,694,898.40 = 277,005.80 : x
  2. Step 2: Convert to fraction form
    1,129,930.40/1,694,898.40 = 277,005.80/x
  3. Step 3: Cross multiply
    1,129,930.40x = 1,694,898.40 × 277,005.80
  4. Step 4: Simplify right side
    1,129,930.40x = 469,496,687,210.72
  5. Step 5: Solve for x
    x = 469,496,687,210.72/1,129,930.40
  6. Step 6: Final answer
    x = 415,509.39

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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.