Home / 1,146,345.40-1,715,435.70-998,212.60

Finding the Fourth Proportional to 1,146,345.40, 1,715,435.70 and 998,212.60

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Solution

The fourth proportional to 1,146,345.40, 1,715,435.70 and 998,212.60 is: 1,493,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,345.40 : 1,715,435.70 = 998,212.60 : x
  2. Step 2: Convert to fraction form
    1,146,345.40/1,715,435.70 = 998,212.60/x
  3. Step 3: Cross multiply
    1,146,345.40x = 1,715,435.70 × 998,212.60
  4. Step 4: Simplify right side
    1,146,345.40x = 1,712,369,530,229.82
  5. Step 5: Solve for x
    x = 1,712,369,530,229.82/1,146,345.40
  6. Step 6: Final answer
    x = 1,493,764.04

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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.