Home / 1,413,782.60-2,120,673.90-853,910.60

Finding the Fourth Proportional to 1,413,782.60, 2,120,673.90 and 853,910.60

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Solution

The fourth proportional to 1,413,782.60, 2,120,673.90 and 853,910.60 is: 1,280,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,782.60 : 2,120,673.90 = 853,910.60 : x
  2. Step 2: Convert to fraction form
    1,413,782.60/2,120,673.90 = 853,910.60/x
  3. Step 3: Cross multiply
    1,413,782.60x = 2,120,673.90 × 853,910.60
  4. Step 4: Simplify right side
    1,413,782.60x = 1,810,865,922,353.34
  5. Step 5: Solve for x
    x = 1,810,865,922,353.34/1,413,782.60
  6. Step 6: Final answer
    x = 1,280,865.90

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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.