Home / 1,108,998.45-1,662,782.29-435,147.83

Finding the Fourth Proportional to 1,108,998.45, 1,662,782.29 and 435,147.83

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Solution

The fourth proportional to 1,108,998.45, 1,662,782.29 and 435,147.83 is: 652,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,998.45 : 1,662,782.29 = 435,147.83 : x
  2. Step 2: Convert to fraction form
    1,108,998.45/1,662,782.29 = 435,147.83/x
  3. Step 3: Cross multiply
    1,108,998.45x = 1,662,782.29 × 435,147.83
  4. Step 4: Simplify right side
    1,108,998.45x = 723,556,102,089.58
  5. Step 5: Solve for x
    x = 723,556,102,089.58/1,108,998.45
  6. Step 6: Final answer
    x = 652,441.04

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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.