Home / 998,573.60-1,497,860.40-731,079.20

Finding the Fourth Proportional to 998,573.60, 1,497,860.40 and 731,079.20

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Solution

The fourth proportional to 998,573.60, 1,497,860.40 and 731,079.20 is: 1,096,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,573.60 : 1,497,860.40 = 731,079.20 : x
  2. Step 2: Convert to fraction form
    998,573.60/1,497,860.40 = 731,079.20/x
  3. Step 3: Cross multiply
    998,573.60x = 1,497,860.40 × 731,079.20
  4. Step 4: Simplify right side
    998,573.60x = 1,095,054,582,943.68
  5. Step 5: Solve for x
    x = 1,095,054,582,943.68/998,573.60
  6. Step 6: Final answer
    x = 1,096,618.80

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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.