Home / 1,137,495.20-1,704,930.36-427,070.12

Finding the Fourth Proportional to 1,137,495.20, 1,704,930.36 and 427,070.12

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Solution

The fourth proportional to 1,137,495.20, 1,704,930.36 and 427,070.12 is: 640,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,495.20 : 1,704,930.36 = 427,070.12 : x
  2. Step 2: Convert to fraction form
    1,137,495.20/1,704,930.36 = 427,070.12/x
  3. Step 3: Cross multiply
    1,137,495.20x = 1,704,930.36 × 427,070.12
  4. Step 4: Simplify right side
    1,137,495.20x = 728,124,813,436.84
  5. Step 5: Solve for x
    x = 728,124,813,436.84/1,137,495.20
  6. Step 6: Final answer
    x = 640,112.43

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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.