Home / 1,137,491.70-1,704,925.17-427,066.62

Finding the Fourth Proportional to 1,137,491.70, 1,704,925.17 and 427,066.62

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Solution

The fourth proportional to 1,137,491.70, 1,704,925.17 and 427,066.62 is: 640,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,491.70 : 1,704,925.17 = 427,066.62 : x
  2. Step 2: Convert to fraction form
    1,137,491.70/1,704,925.17 = 427,066.62/x
  3. Step 3: Cross multiply
    1,137,491.70x = 1,704,925.17 × 427,066.62
  4. Step 4: Simplify right side
    1,137,491.70x = 728,116,629,704.83
  5. Step 5: Solve for x
    x = 728,116,629,704.83/1,137,491.70
  6. Step 6: Final answer
    x = 640,107.20

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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.