Home / 1,269,267.96-1,903,907.88-427,827

Finding the Fourth Proportional to 1,269,267.96, 1,903,907.88 and 427,827

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Solution

The fourth proportional to 1,269,267.96, 1,903,907.88 and 427,827 is: 641,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,267.96 : 1,903,907.88 = 427,827 : x
  2. Step 2: Convert to fraction form
    1,269,267.96/1,903,907.88 = 427,827/x
  3. Step 3: Cross multiply
    1,269,267.96x = 1,903,907.88 × 427,827
  4. Step 4: Simplify right side
    1,269,267.96x = 814,543,196,576.76
  5. Step 5: Solve for x
    x = 814,543,196,576.76/1,269,267.96
  6. Step 6: Final answer
    x = 641,742.50

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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.