Home / 1,500,791.34-2,071,089.66-812,463

Finding the Fourth Proportional to 1,500,791.34, 2,071,089.66 and 812,463

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Solution

The fourth proportional to 1,500,791.34, 2,071,089.66 and 812,463 is: 1,121,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,791.34 : 2,071,089.66 = 812,463 : x
  2. Step 2: Convert to fraction form
    1,500,791.34/2,071,089.66 = 812,463/x
  3. Step 3: Cross multiply
    1,500,791.34x = 2,071,089.66 × 812,463
  4. Step 4: Simplify right side
    1,500,791.34x = 1,682,683,718,432.58
  5. Step 5: Solve for x
    x = 1,682,683,718,432.58/1,500,791.34
  6. Step 6: Final answer
    x = 1,121,197.65

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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.