Home / 1,099,006.72-1,517,095.68-717,360.64

Finding the Fourth Proportional to 1,099,006.72, 1,517,095.68 and 717,360.64

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Solution

The fourth proportional to 1,099,006.72, 1,517,095.68 and 717,360.64 is: 990,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,006.72 : 1,517,095.68 = 717,360.64 : x
  2. Step 2: Convert to fraction form
    1,099,006.72/1,517,095.68 = 717,360.64/x
  3. Step 3: Cross multiply
    1,099,006.72x = 1,517,095.68 × 717,360.64
  4. Step 4: Simplify right side
    1,099,006.72x = 1,088,304,727,946.04
  5. Step 5: Solve for x
    x = 1,088,304,727,946.04/1,099,006.72
  6. Step 6: Final answer
    x = 990,262.12

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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.