Home / 1,629,612.60-2,442,669.30-618,343.80

Finding the Fourth Proportional to 1,629,612.60, 2,442,669.30 and 618,343.80

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Solution

The fourth proportional to 1,629,612.60, 2,442,669.30 and 618,343.80 is: 926,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,612.60 : 2,442,669.30 = 618,343.80 : x
  2. Step 2: Convert to fraction form
    1,629,612.60/2,442,669.30 = 618,343.80/x
  3. Step 3: Cross multiply
    1,629,612.60x = 2,442,669.30 × 618,343.80
  4. Step 4: Simplify right side
    1,629,612.60x = 1,510,409,417,105.34
  5. Step 5: Solve for x
    x = 1,510,409,417,105.34/1,629,612.60
  6. Step 6: Final answer
    x = 926,851.83

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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.