Home / 1,279,506.56-1,919,530.48-480,795.04

Finding the Fourth Proportional to 1,279,506.56, 1,919,530.48 and 480,795.04

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Solution

The fourth proportional to 1,279,506.56, 1,919,530.48 and 480,795.04 is: 721,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,506.56 : 1,919,530.48 = 480,795.04 : x
  2. Step 2: Convert to fraction form
    1,279,506.56/1,919,530.48 = 480,795.04/x
  3. Step 3: Cross multiply
    1,279,506.56x = 1,919,530.48 × 480,795.04
  4. Step 4: Simplify right side
    1,279,506.56x = 922,900,733,912.82
  5. Step 5: Solve for x
    x = 922,900,733,912.82/1,279,506.56
  6. Step 6: Final answer
    x = 721,294.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.