Home / 1,379,226.92-1,903,296.93-767,381

Finding the Fourth Proportional to 1,379,226.92, 1,903,296.93 and 767,381

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Solution

The fourth proportional to 1,379,226.92, 1,903,296.93 and 767,381 is: 1,058,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,226.92 : 1,903,296.93 = 767,381 : x
  2. Step 2: Convert to fraction form
    1,379,226.92/1,903,296.93 = 767,381/x
  3. Step 3: Cross multiply
    1,379,226.92x = 1,903,296.93 × 767,381
  4. Step 4: Simplify right side
    1,379,226.92x = 1,460,553,901,440.33
  5. Step 5: Solve for x
    x = 1,460,553,901,440.33/1,379,226.92
  6. Step 6: Final answer
    x = 1,058,965.63

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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.