Home / 1,022,889.59-1,534,278.70-312,917.61

Finding the Fourth Proportional to 1,022,889.59, 1,534,278.70 and 312,917.61

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Solution

The fourth proportional to 1,022,889.59, 1,534,278.70 and 312,917.61 is: 469,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,889.59 : 1,534,278.70 = 312,917.61 : x
  2. Step 2: Convert to fraction form
    1,022,889.59/1,534,278.70 = 312,917.61/x
  3. Step 3: Cross multiply
    1,022,889.59x = 1,534,278.70 × 312,917.61
  4. Step 4: Simplify right side
    1,022,889.59x = 480,102,823,877.91
  5. Step 5: Solve for x
    x = 480,102,823,877.91/1,022,889.59
  6. Step 6: Final answer
    x = 469,359.38

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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.