Home / 1,356,078.60-2,034,117.90-345,198.60

Finding the Fourth Proportional to 1,356,078.60, 2,034,117.90 and 345,198.60

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Solution

The fourth proportional to 1,356,078.60, 2,034,117.90 and 345,198.60 is: 517,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,078.60 : 2,034,117.90 = 345,198.60 : x
  2. Step 2: Convert to fraction form
    1,356,078.60/2,034,117.90 = 345,198.60/x
  3. Step 3: Cross multiply
    1,356,078.60x = 2,034,117.90 × 345,198.60
  4. Step 4: Simplify right side
    1,356,078.60x = 702,174,651,314.94
  5. Step 5: Solve for x
    x = 702,174,651,314.94/1,356,078.60
  6. Step 6: Final answer
    x = 517,797.90

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Similar ratio
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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.