Home / 985,074.60-1,478,778.30-978,076.20

Finding the Fourth Proportional to 985,074.60, 1,478,778.30 and 978,076.20

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Solution

The fourth proportional to 985,074.60, 1,478,778.30 and 978,076.20 is: 1,468,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,074.60 : 1,478,778.30 = 978,076.20 : x
  2. Step 2: Convert to fraction form
    985,074.60/1,478,778.30 = 978,076.20/x
  3. Step 3: Cross multiply
    985,074.60x = 1,478,778.30 × 978,076.20
  4. Step 4: Simplify right side
    985,074.60x = 1,446,357,860,306.46
  5. Step 5: Solve for x
    x = 1,446,357,860,306.46/985,074.60
  6. Step 6: Final answer
    x = 1,468,272.41

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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.