Home / 1,342,612.71-2,014,104.67-431,820.96

Finding the Fourth Proportional to 1,342,612.71, 2,014,104.67 and 431,820.96

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Solution

The fourth proportional to 1,342,612.71, 2,014,104.67 and 431,820.96 is: 647,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,612.71 : 2,014,104.67 = 431,820.96 : x
  2. Step 2: Convert to fraction form
    1,342,612.71/2,014,104.67 = 431,820.96/x
  3. Step 3: Cross multiply
    1,342,612.71x = 2,014,104.67 × 431,820.96
  4. Step 4: Simplify right side
    1,342,612.71x = 869,732,603,507.44
  5. Step 5: Solve for x
    x = 869,732,603,507.44/1,342,612.71
  6. Step 6: Final answer
    x = 647,791.13

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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.