Home / 862,213.80-1,293,320.70-862,213.80

Finding the Fourth Proportional to 862,213.80, 1,293,320.70 and 862,213.80

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Solution

The fourth proportional to 862,213.80, 1,293,320.70 and 862,213.80 is: 1,293,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,213.80 : 1,293,320.70 = 862,213.80 : x
  2. Step 2: Convert to fraction form
    862,213.80/1,293,320.70 = 862,213.80/x
  3. Step 3: Cross multiply
    862,213.80x = 1,293,320.70 × 862,213.80
  4. Step 4: Simplify right side
    862,213.80x = 1,115,118,955,365.66
  5. Step 5: Solve for x
    x = 1,115,118,955,365.66/862,213.80
  6. Step 6: Final answer
    x = 1,293,320.70

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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.