Home / 1,690,871.38-2,333,651.79-1,070,733.14

Finding the Fourth Proportional to 1,690,871.38, 2,333,651.79 and 1,070,733.14

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Solution

The fourth proportional to 1,690,871.38, 2,333,651.79 and 1,070,733.14 is: 1,477,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,871.38 : 2,333,651.79 = 1,070,733.14 : x
  2. Step 2: Convert to fraction form
    1,690,871.38/2,333,651.79 = 1,070,733.14/x
  3. Step 3: Cross multiply
    1,690,871.38x = 2,333,651.79 × 1,070,733.14
  4. Step 4: Simplify right side
    1,690,871.38x = 2,498,718,310,141.65
  5. Step 5: Solve for x
    x = 2,498,718,310,141.65/1,690,871.38
  6. Step 6: Final answer
    x = 1,477,769.59

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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.