Home / 1,473,178.12-2,209,814.70-408,230.44

Finding the Fourth Proportional to 1,473,178.12, 2,209,814.70 and 408,230.44

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Solution

The fourth proportional to 1,473,178.12, 2,209,814.70 and 408,230.44 is: 612,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,178.12 : 2,209,814.70 = 408,230.44 : x
  2. Step 2: Convert to fraction form
    1,473,178.12/2,209,814.70 = 408,230.44/x
  3. Step 3: Cross multiply
    1,473,178.12x = 2,209,814.70 × 408,230.44
  4. Step 4: Simplify right side
    1,473,178.12x = 902,113,627,299.47
  5. Step 5: Solve for x
    x = 902,113,627,299.47/1,473,178.12
  6. Step 6: Final answer
    x = 612,358.83

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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.