Home / 1,146,347.40-1,715,438.70-998,214.60

Finding the Fourth Proportional to 1,146,347.40, 1,715,438.70 and 998,214.60

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Solution

The fourth proportional to 1,146,347.40, 1,715,438.70 and 998,214.60 is: 1,493,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,347.40 : 1,715,438.70 = 998,214.60 : x
  2. Step 2: Convert to fraction form
    1,146,347.40/1,715,438.70 = 998,214.60/x
  3. Step 3: Cross multiply
    1,146,347.40x = 1,715,438.70 × 998,214.60
  4. Step 4: Simplify right side
    1,146,347.40x = 1,712,375,955,745.02
  5. Step 5: Solve for x
    x = 1,712,375,955,745.02/1,146,347.40
  6. Step 6: Final answer
    x = 1,493,767.03

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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.