Home / 1,715,908.88-2,368,066.44-990,787.16

Finding the Fourth Proportional to 1,715,908.88, 2,368,066.44 and 990,787.16

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Solution

The fourth proportional to 1,715,908.88, 2,368,066.44 and 990,787.16 is: 1,367,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,908.88 : 2,368,066.44 = 990,787.16 : x
  2. Step 2: Convert to fraction form
    1,715,908.88/2,368,066.44 = 990,787.16/x
  3. Step 3: Cross multiply
    1,715,908.88x = 2,368,066.44 × 990,787.16
  4. Step 4: Simplify right side
    1,715,908.88x = 2,346,249,822,778.91
  5. Step 5: Solve for x
    x = 2,346,249,822,778.91/1,715,908.88
  6. Step 6: Final answer
    x = 1,367,351.06

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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.