Home / 1,010,072.50-1,393,929.21-557,392.66

Finding the Fourth Proportional to 1,010,072.50, 1,393,929.21 and 557,392.66

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Solution

The fourth proportional to 1,010,072.50, 1,393,929.21 and 557,392.66 is: 769,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,072.50 : 1,393,929.21 = 557,392.66 : x
  2. Step 2: Convert to fraction form
    1,010,072.50/1,393,929.21 = 557,392.66/x
  3. Step 3: Cross multiply
    1,010,072.50x = 1,393,929.21 × 557,392.66
  4. Step 4: Simplify right side
    1,010,072.50x = 776,965,910,213.60
  5. Step 5: Solve for x
    x = 776,965,910,213.60/1,010,072.50
  6. Step 6: Final answer
    x = 769,217.96

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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.