Home / 1,478,003.20-2,217,879.60-974,021.20

Finding the Fourth Proportional to 1,478,003.20, 2,217,879.60 and 974,021.20

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Solution

The fourth proportional to 1,478,003.20, 2,217,879.60 and 974,021.20 is: 1,461,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,003.20 : 2,217,879.60 = 974,021.20 : x
  2. Step 2: Convert to fraction form
    1,478,003.20/2,217,879.60 = 974,021.20/x
  3. Step 3: Cross multiply
    1,478,003.20x = 2,217,879.60 × 974,021.20
  4. Step 4: Simplify right side
    1,478,003.20x = 2,160,261,749,447.52
  5. Step 5: Solve for x
    x = 2,160,261,749,447.52/1,478,003.20
  6. Step 6: Final answer
    x = 1,461,608.30

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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.