Home / 1,074,306.12-1,608,348.60-809,183.40

Finding the Fourth Proportional to 1,074,306.12, 1,608,348.60 and 809,183.40

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Solution

The fourth proportional to 1,074,306.12, 1,608,348.60 and 809,183.40 is: 1,211,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,306.12 : 1,608,348.60 = 809,183.40 : x
  2. Step 2: Convert to fraction form
    1,074,306.12/1,608,348.60 = 809,183.40/x
  3. Step 3: Cross multiply
    1,074,306.12x = 1,608,348.60 × 809,183.40
  4. Step 4: Simplify right side
    1,074,306.12x = 1,301,448,988,533.24
  5. Step 5: Solve for x
    x = 1,301,448,988,533.24/1,074,306.12
  6. Step 6: Final answer
    x = 1,211,432.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.