Home / 1,398,081.60-2,097,122.40-451,483.20

Finding the Fourth Proportional to 1,398,081.60, 2,097,122.40 and 451,483.20

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Solution

The fourth proportional to 1,398,081.60, 2,097,122.40 and 451,483.20 is: 677,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,081.60 : 2,097,122.40 = 451,483.20 : x
  2. Step 2: Convert to fraction form
    1,398,081.60/2,097,122.40 = 451,483.20/x
  3. Step 3: Cross multiply
    1,398,081.60x = 2,097,122.40 × 451,483.20
  4. Step 4: Simplify right side
    1,398,081.60x = 946,815,531,943.68
  5. Step 5: Solve for x
    x = 946,815,531,943.68/1,398,081.60
  6. Step 6: Final answer
    x = 677,224.80

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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.