Home / 1,074,300.12-1,608,339.60-809,177.40

Finding the Fourth Proportional to 1,074,300.12, 1,608,339.60 and 809,177.40

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Solution

The fourth proportional to 1,074,300.12, 1,608,339.60 and 809,177.40 is: 1,211,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,300.12 : 1,608,339.60 = 809,177.40 : x
  2. Step 2: Convert to fraction form
    1,074,300.12/1,608,339.60 = 809,177.40/x
  3. Step 3: Cross multiply
    1,074,300.12x = 1,608,339.60 × 809,177.40
  4. Step 4: Simplify right side
    1,074,300.12x = 1,301,432,055,845.04
  5. Step 5: Solve for x
    x = 1,301,432,055,845.04/1,074,300.12
  6. Step 6: Final answer
    x = 1,211,423.17

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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.