Home / 1,800,145.62-2,699,387.37-662,622.66

Finding the Fourth Proportional to 1,800,145.62, 2,699,387.37 and 662,622.66

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Solution

The fourth proportional to 1,800,145.62, 2,699,387.37 and 662,622.66 is: 993,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,145.62 : 2,699,387.37 = 662,622.66 : x
  2. Step 2: Convert to fraction form
    1,800,145.62/2,699,387.37 = 662,622.66/x
  3. Step 3: Cross multiply
    1,800,145.62x = 2,699,387.37 × 662,622.66
  4. Step 4: Simplify right side
    1,800,145.62x = 1,788,675,239,479.80
  5. Step 5: Solve for x
    x = 1,788,675,239,479.80/1,800,145.62
  6. Step 6: Final answer
    x = 993,628.08

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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.