Home / 1,145,709.20-1,715,064.60-893,766.80

Finding the Fourth Proportional to 1,145,709.20, 1,715,064.60 and 893,766.80

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Solution

The fourth proportional to 1,145,709.20, 1,715,064.60 and 893,766.80 is: 1,337,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,709.20 : 1,715,064.60 = 893,766.80 : x
  2. Step 2: Convert to fraction form
    1,145,709.20/1,715,064.60 = 893,766.80/x
  3. Step 3: Cross multiply
    1,145,709.20x = 1,715,064.60 × 893,766.80
  4. Step 4: Simplify right side
    1,145,709.20x = 1,532,867,799,335.28
  5. Step 5: Solve for x
    x = 1,532,867,799,335.28/1,145,709.20
  6. Step 6: Final answer
    x = 1,337,920.48

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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.