Home / 1,512,288-2,086,890.24-823,962.24

Finding the Fourth Proportional to 1,512,288, 2,086,890.24 and 823,962.24

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Solution

The fourth proportional to 1,512,288, 2,086,890.24 and 823,962.24 is: 1,137,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,288 : 2,086,890.24 = 823,962.24 : x
  2. Step 2: Convert to fraction form
    1,512,288/2,086,890.24 = 823,962.24/x
  3. Step 3: Cross multiply
    1,512,288x = 2,086,890.24 × 823,962.24
  4. Step 4: Simplify right side
    1,512,288x = 1,719,518,756,784.54
  5. Step 5: Solve for x
    x = 1,719,518,756,784.54/1,512,288
  6. Step 6: Final answer
    x = 1,137,031.28

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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.