Home / 999,967.74-1,379,945.14-541,072.20

Finding the Fourth Proportional to 999,967.74, 1,379,945.14 and 541,072.20

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Solution

The fourth proportional to 999,967.74, 1,379,945.14 and 541,072.20 is: 746,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,967.74 : 1,379,945.14 = 541,072.20 : x
  2. Step 2: Convert to fraction form
    999,967.74/1,379,945.14 = 541,072.20/x
  3. Step 3: Cross multiply
    999,967.74x = 1,379,945.14 × 541,072.20
  4. Step 4: Simplify right side
    999,967.74x = 746,649,952,779.11
  5. Step 5: Solve for x
    x = 746,649,952,779.11/999,967.74
  6. Step 6: Final answer
    x = 746,674.04

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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.