Home / 1,284,692.10-1,926,584.55-443,048.10

Finding the Fourth Proportional to 1,284,692.10, 1,926,584.55 and 443,048.10

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Solution

The fourth proportional to 1,284,692.10, 1,926,584.55 and 443,048.10 is: 664,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,692.10 : 1,926,584.55 = 443,048.10 : x
  2. Step 2: Convert to fraction form
    1,284,692.10/1,926,584.55 = 443,048.10/x
  3. Step 3: Cross multiply
    1,284,692.10x = 1,926,584.55 × 443,048.10
  4. Step 4: Simplify right side
    1,284,692.10x = 853,569,624,366.86
  5. Step 5: Solve for x
    x = 853,569,624,366.86/1,284,692.10
  6. Step 6: Final answer
    x = 664,415.72

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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.