Home / 1,379,227.42-1,903,297.62-767,381.50

Finding the Fourth Proportional to 1,379,227.42, 1,903,297.62 and 767,381.50

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Solution

The fourth proportional to 1,379,227.42, 1,903,297.62 and 767,381.50 is: 1,058,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,227.42 : 1,903,297.62 = 767,381.50 : x
  2. Step 2: Convert to fraction form
    1,379,227.42/1,903,297.62 = 767,381.50/x
  3. Step 3: Cross multiply
    1,379,227.42x = 1,903,297.62 × 767,381.50
  4. Step 4: Simplify right side
    1,379,227.42x = 1,460,555,382,582.03
  5. Step 5: Solve for x
    x = 1,460,555,382,582.03/1,379,227.42
  6. Step 6: Final answer
    x = 1,058,966.32

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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.