Home / 1,678,190.40-2,517,285.60-480,184.20

Finding the Fourth Proportional to 1,678,190.40, 2,517,285.60 and 480,184.20

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Solution

The fourth proportional to 1,678,190.40, 2,517,285.60 and 480,184.20 is: 720,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,190.40 : 2,517,285.60 = 480,184.20 : x
  2. Step 2: Convert to fraction form
    1,678,190.40/2,517,285.60 = 480,184.20/x
  3. Step 3: Cross multiply
    1,678,190.40x = 2,517,285.60 × 480,184.20
  4. Step 4: Simplify right side
    1,678,190.40x = 1,208,760,772,007.52
  5. Step 5: Solve for x
    x = 1,208,760,772,007.52/1,678,190.40
  6. Step 6: Final answer
    x = 720,276.30

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Double scale
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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.