Home / 1,430,122-2,145,183-531,789.88

Finding the Fourth Proportional to 1,430,122, 2,145,183 and 531,789.88

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Solution

The fourth proportional to 1,430,122, 2,145,183 and 531,789.88 is: 797,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,122 : 2,145,183 = 531,789.88 : x
  2. Step 2: Convert to fraction form
    1,430,122/2,145,183 = 531,789.88/x
  3. Step 3: Cross multiply
    1,430,122x = 2,145,183 × 531,789.88
  4. Step 4: Simplify right side
    1,430,122x = 1,140,786,610,148.04
  5. Step 5: Solve for x
    x = 1,140,786,610,148.04/1,430,122
  6. Step 6: Final answer
    x = 797,684.82

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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.