Home / 1,199,161.33-1,655,011.43-763,439.50

Finding the Fourth Proportional to 1,199,161.33, 1,655,011.43 and 763,439.50

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Solution

The fourth proportional to 1,199,161.33, 1,655,011.43 and 763,439.50 is: 1,053,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,161.33 : 1,655,011.43 = 763,439.50 : x
  2. Step 2: Convert to fraction form
    1,199,161.33/1,655,011.43 = 763,439.50/x
  3. Step 3: Cross multiply
    1,199,161.33x = 1,655,011.43 × 763,439.50
  4. Step 4: Simplify right side
    1,199,161.33x = 1,263,501,098,613.48
  5. Step 5: Solve for x
    x = 1,263,501,098,613.48/1,199,161.33
  6. Step 6: Final answer
    x = 1,053,653.97

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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.