Home / 1,405,888.59-2,108,832.21-340,930.47

Finding the Fourth Proportional to 1,405,888.59, 2,108,832.21 and 340,930.47

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Solution

The fourth proportional to 1,405,888.59, 2,108,832.21 and 340,930.47 is: 511,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,888.59 : 2,108,832.21 = 340,930.47 : x
  2. Step 2: Convert to fraction form
    1,405,888.59/2,108,832.21 = 340,930.47/x
  3. Step 3: Cross multiply
    1,405,888.59x = 2,108,832.21 × 340,930.47
  4. Step 4: Simplify right side
    1,405,888.59x = 718,965,156,506.44
  5. Step 5: Solve for x
    x = 718,965,156,506.44/1,405,888.59
  6. Step 6: Final answer
    x = 511,395.54

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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.