Home / 1,180,515.88-1,769,721.90-432,386.92

Finding the Fourth Proportional to 1,180,515.88, 1,769,721.90 and 432,386.92

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Solution

The fourth proportional to 1,180,515.88, 1,769,721.90 and 432,386.92 is: 648,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,515.88 : 1,769,721.90 = 432,386.92 : x
  2. Step 2: Convert to fraction form
    1,180,515.88/1,769,721.90 = 432,386.92/x
  3. Step 3: Cross multiply
    1,180,515.88x = 1,769,721.90 × 432,386.92
  4. Step 4: Simplify right side
    1,180,515.88x = 765,204,601,597.55
  5. Step 5: Solve for x
    x = 765,204,601,597.55/1,180,515.88
  6. Step 6: Final answer
    x = 648,195.09

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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.