Home / 1,108,384.31-1,529,309.46-672,790.94

Finding the Fourth Proportional to 1,108,384.31, 1,529,309.46 and 672,790.94

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Solution

The fourth proportional to 1,108,384.31, 1,529,309.46 and 672,790.94 is: 928,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,384.31 : 1,529,309.46 = 672,790.94 : x
  2. Step 2: Convert to fraction form
    1,108,384.31/1,529,309.46 = 672,790.94/x
  3. Step 3: Cross multiply
    1,108,384.31x = 1,529,309.46 × 672,790.94
  4. Step 4: Simplify right side
    1,108,384.31x = 1,028,905,541,497.75
  5. Step 5: Solve for x
    x = 1,028,905,541,497.75/1,108,384.31
  6. Step 6: Final answer
    x = 928,293.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.