Home / 1,293,397.37-1,784,943.44-720,437.79

Finding the Fourth Proportional to 1,293,397.37, 1,784,943.44 and 720,437.79

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Solution

The fourth proportional to 1,293,397.37, 1,784,943.44 and 720,437.79 is: 994,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,397.37 : 1,784,943.44 = 720,437.79 : x
  2. Step 2: Convert to fraction form
    1,293,397.37/1,784,943.44 = 720,437.79/x
  3. Step 3: Cross multiply
    1,293,397.37x = 1,784,943.44 × 720,437.79
  4. Step 4: Simplify right side
    1,293,397.37x = 1,285,940,703,586.41
  5. Step 5: Solve for x
    x = 1,285,940,703,586.41/1,293,397.37
  6. Step 6: Final answer
    x = 994,234.83

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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.