Home / 1,180,514.88-1,769,720.40-432,385.92

Finding the Fourth Proportional to 1,180,514.88, 1,769,720.40 and 432,385.92

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Solution

The fourth proportional to 1,180,514.88, 1,769,720.40 and 432,385.92 is: 648,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,514.88 : 1,769,720.40 = 432,385.92 : x
  2. Step 2: Convert to fraction form
    1,180,514.88/1,769,720.40 = 432,385.92/x
  3. Step 3: Cross multiply
    1,180,514.88x = 1,769,720.40 × 432,385.92
  4. Step 4: Simplify right side
    1,180,514.88x = 765,202,183,296.77
  5. Step 5: Solve for x
    x = 765,202,183,296.77/1,180,514.88
  6. Step 6: Final answer
    x = 648,193.59

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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.