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Finding the Fourth Proportional to 1,626,308, 2,244,305.04 and 990,404

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Solution

The fourth proportional to 1,626,308, 2,244,305.04 and 990,404 is: 1,366,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,308 : 2,244,305.04 = 990,404 : x
  2. Step 2: Convert to fraction form
    1,626,308/2,244,305.04 = 990,404/x
  3. Step 3: Cross multiply
    1,626,308x = 2,244,305.04 × 990,404
  4. Step 4: Simplify right side
    1,626,308x = 2,222,768,688,836.16
  5. Step 5: Solve for x
    x = 2,222,768,688,836.16/1,626,308
  6. Step 6: Final answer
    x = 1,366,757.52

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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.