Home / 989,062.60-1,486,704.30-970,400.20

Finding the Fourth Proportional to 989,062.60, 1,486,704.30 and 970,400.20

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Solution

The fourth proportional to 989,062.60, 1,486,704.30 and 970,400.20 is: 1,458,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,062.60 : 1,486,704.30 = 970,400.20 : x
  2. Step 2: Convert to fraction form
    989,062.60/1,486,704.30 = 970,400.20/x
  3. Step 3: Cross multiply
    989,062.60x = 1,486,704.30 × 970,400.20
  4. Step 4: Simplify right side
    989,062.60x = 1,442,698,150,060.86
  5. Step 5: Solve for x
    x = 1,442,698,150,060.86/989,062.60
  6. Step 6: Final answer
    x = 1,458,652.01

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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.