Home / 1,199,772.69-1,800,113.58-720,335.31

Finding the Fourth Proportional to 1,199,772.69, 1,800,113.58 and 720,335.31

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Solution

The fourth proportional to 1,199,772.69, 1,800,113.58 and 720,335.31 is: 1,080,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,772.69 : 1,800,113.58 = 720,335.31 : x
  2. Step 2: Convert to fraction form
    1,199,772.69/1,800,113.58 = 720,335.31/x
  3. Step 3: Cross multiply
    1,199,772.69x = 1,800,113.58 × 720,335.31
  4. Step 4: Simplify right side
    1,199,772.69x = 1,296,685,373,684.51
  5. Step 5: Solve for x
    x = 1,296,685,373,684.51/1,199,772.69
  6. Step 6: Final answer
    x = 1,080,775.87

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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.