Home / 990,064.20-1,483,346.70-927,078.60

Finding the Fourth Proportional to 990,064.20, 1,483,346.70 and 927,078.60

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Solution

The fourth proportional to 990,064.20, 1,483,346.70 and 927,078.60 is: 1,388,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,064.20 : 1,483,346.70 = 927,078.60 : x
  2. Step 2: Convert to fraction form
    990,064.20/1,483,346.70 = 927,078.60/x
  3. Step 3: Cross multiply
    990,064.20x = 1,483,346.70 × 927,078.60
  4. Step 4: Simplify right side
    990,064.20x = 1,375,178,981,950.62
  5. Step 5: Solve for x
    x = 1,375,178,981,950.62/990,064.20
  6. Step 6: Final answer
    x = 1,388,979.61

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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.