Home / 1,213,847.76-1,820,859.10-465,893.76

Finding the Fourth Proportional to 1,213,847.76, 1,820,859.10 and 465,893.76

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Solution

The fourth proportional to 1,213,847.76, 1,820,859.10 and 465,893.76 is: 698,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,847.76 : 1,820,859.10 = 465,893.76 : x
  2. Step 2: Convert to fraction form
    1,213,847.76/1,820,859.10 = 465,893.76/x
  3. Step 3: Cross multiply
    1,213,847.76x = 1,820,859.10 × 465,893.76
  4. Step 4: Simplify right side
    1,213,847.76x = 848,326,892,529.22
  5. Step 5: Solve for x
    x = 848,326,892,529.22/1,213,847.76
  6. Step 6: Final answer
    x = 698,874.21

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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.