Home / 1,384,195.88-1,909,462.74-1,126,363.16

Finding the Fourth Proportional to 1,384,195.88, 1,909,462.74 and 1,126,363.16

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Solution

The fourth proportional to 1,384,195.88, 1,909,462.74 and 1,126,363.16 is: 1,553,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,195.88 : 1,909,462.74 = 1,126,363.16 : x
  2. Step 2: Convert to fraction form
    1,384,195.88/1,909,462.74 = 1,126,363.16/x
  3. Step 3: Cross multiply
    1,384,195.88x = 1,909,462.74 × 1,126,363.16
  4. Step 4: Simplify right side
    1,384,195.88x = 2,150,748,485,728.66
  5. Step 5: Solve for x
    x = 2,150,748,485,728.66/1,384,195.88
  6. Step 6: Final answer
    x = 1,553,789.11

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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.