Home / 1,626,298-2,244,291.24-990,394

Finding the Fourth Proportional to 1,626,298, 2,244,291.24 and 990,394

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Solution

The fourth proportional to 1,626,298, 2,244,291.24 and 990,394 is: 1,366,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,298 : 2,244,291.24 = 990,394 : x
  2. Step 2: Convert to fraction form
    1,626,298/2,244,291.24 = 990,394/x
  3. Step 3: Cross multiply
    1,626,298x = 2,244,291.24 × 990,394
  4. Step 4: Simplify right side
    1,626,298x = 2,222,732,578,348.56
  5. Step 5: Solve for x
    x = 2,222,732,578,348.56/1,626,298
  6. Step 6: Final answer
    x = 1,366,743.72

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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.