Home / 970,092.20-1,455,138.30-830,124.20

Finding the Fourth Proportional to 970,092.20, 1,455,138.30 and 830,124.20

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Solution

The fourth proportional to 970,092.20, 1,455,138.30 and 830,124.20 is: 1,245,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,092.20 : 1,455,138.30 = 830,124.20 : x
  2. Step 2: Convert to fraction form
    970,092.20/1,455,138.30 = 830,124.20/x
  3. Step 3: Cross multiply
    970,092.20x = 1,455,138.30 × 830,124.20
  4. Step 4: Simplify right side
    970,092.20x = 1,207,945,517,176.86
  5. Step 5: Solve for x
    x = 1,207,945,517,176.86/970,092.20
  6. Step 6: Final answer
    x = 1,245,186.30

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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.