Home / 1,137,484.20-1,704,913.92-427,059.12

Finding the Fourth Proportional to 1,137,484.20, 1,704,913.92 and 427,059.12

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Solution

The fourth proportional to 1,137,484.20, 1,704,913.92 and 427,059.12 is: 640,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,484.20 : 1,704,913.92 = 427,059.12 : x
  2. Step 2: Convert to fraction form
    1,137,484.20/1,704,913.92 = 427,059.12/x
  3. Step 3: Cross multiply
    1,137,484.20x = 1,704,913.92 × 427,059.12
  4. Step 4: Simplify right side
    1,137,484.20x = 728,099,038,350.95
  5. Step 5: Solve for x
    x = 728,099,038,350.95/1,137,484.20
  6. Step 6: Final answer
    x = 640,095.96

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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.