Home / 1,379,222.97-1,903,291.32-767,376.91

Finding the Fourth Proportional to 1,379,222.97, 1,903,291.32 and 767,376.91

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Solution

The fourth proportional to 1,379,222.97, 1,903,291.32 and 767,376.91 is: 1,058,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,222.97 : 1,903,291.32 = 767,376.91 : x
  2. Step 2: Convert to fraction form
    1,379,222.97/1,903,291.32 = 767,376.91/x
  3. Step 3: Cross multiply
    1,379,222.97x = 1,903,291.32 × 767,376.91
  4. Step 4: Simplify right side
    1,379,222.97x = 1,460,541,811,971.42
  5. Step 5: Solve for x
    x = 1,460,541,811,971.42/1,379,222.97
  6. Step 6: Final answer
    x = 1,058,959.90

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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.