Home / 1,609,669.40-2,413,629.30-663,135.80

Finding the Fourth Proportional to 1,609,669.40, 2,413,629.30 and 663,135.80

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Solution

The fourth proportional to 1,609,669.40, 2,413,629.30 and 663,135.80 is: 994,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,669.40 : 2,413,629.30 = 663,135.80 : x
  2. Step 2: Convert to fraction form
    1,609,669.40/2,413,629.30 = 663,135.80/x
  3. Step 3: Cross multiply
    1,609,669.40x = 2,413,629.30 × 663,135.80
  4. Step 4: Simplify right side
    1,609,669.40x = 1,600,563,996,758.94
  5. Step 5: Solve for x
    x = 1,600,563,996,758.94/1,609,669.40
  6. Step 6: Final answer
    x = 994,343.31

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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.