Home / 1,070,081.20-1,605,194.70-340,546.60

Finding the Fourth Proportional to 1,070,081.20, 1,605,194.70 and 340,546.60

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Solution

The fourth proportional to 1,070,081.20, 1,605,194.70 and 340,546.60 is: 510,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,081.20 : 1,605,194.70 = 340,546.60 : x
  2. Step 2: Convert to fraction form
    1,070,081.20/1,605,194.70 = 340,546.60/x
  3. Step 3: Cross multiply
    1,070,081.20x = 1,605,194.70 × 340,546.60
  4. Step 4: Simplify right side
    1,070,081.20x = 546,643,597,423.02
  5. Step 5: Solve for x
    x = 546,643,597,423.02/1,070,081.20
  6. Step 6: Final answer
    x = 510,843.10

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Double scale
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1.5x scale

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.