Home / 990,118.58-1,366,576.82-603,061.61

Finding the Fourth Proportional to 990,118.58, 1,366,576.82 and 603,061.61

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Solution

The fourth proportional to 990,118.58, 1,366,576.82 and 603,061.61 is: 832,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,118.58 : 1,366,576.82 = 603,061.61 : x
  2. Step 2: Convert to fraction form
    990,118.58/1,366,576.82 = 603,061.61/x
  3. Step 3: Cross multiply
    990,118.58x = 1,366,576.82 × 603,061.61
  4. Step 4: Simplify right side
    990,118.58x = 824,130,022,181.98
  5. Step 5: Solve for x
    x = 824,130,022,181.98/990,118.58
  6. Step 6: Final answer
    x = 832,354.87

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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.