Home / 1,405,689.93-2,108,527.87-340,732.03

Finding the Fourth Proportional to 1,405,689.93, 2,108,527.87 and 340,732.03

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Solution

The fourth proportional to 1,405,689.93, 2,108,527.87 and 340,732.03 is: 511,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,689.93 : 2,108,527.87 = 340,732.03 : x
  2. Step 2: Convert to fraction form
    1,405,689.93/2,108,527.87 = 340,732.03/x
  3. Step 3: Cross multiply
    1,405,689.93x = 2,108,527.87 × 340,732.03
  4. Step 4: Simplify right side
    1,405,689.93x = 718,442,981,456.68
  5. Step 5: Solve for x
    x = 718,442,981,456.68/1,405,689.93
  6. Step 6: Final answer
    x = 511,096.34

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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.