Home / 1,226,380.10-1,839,816.18-427,447.13

Finding the Fourth Proportional to 1,226,380.10, 1,839,816.18 and 427,447.13

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Solution

The fourth proportional to 1,226,380.10, 1,839,816.18 and 427,447.13 is: 641,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,380.10 : 1,839,816.18 = 427,447.13 : x
  2. Step 2: Convert to fraction form
    1,226,380.10/1,839,816.18 = 427,447.13/x
  3. Step 3: Cross multiply
    1,226,380.10x = 1,839,816.18 × 427,447.13
  4. Step 4: Simplify right side
    1,226,380.10x = 786,424,136,669.48
  5. Step 5: Solve for x
    x = 786,424,136,669.48/1,226,380.10
  6. Step 6: Final answer
    x = 641,256.44

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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.