Home / 1,413,784.60-2,120,676.90-853,912.60

Finding the Fourth Proportional to 1,413,784.60, 2,120,676.90 and 853,912.60

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Solution

The fourth proportional to 1,413,784.60, 2,120,676.90 and 853,912.60 is: 1,280,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,784.60 : 2,120,676.90 = 853,912.60 : x
  2. Step 2: Convert to fraction form
    1,413,784.60/2,120,676.90 = 853,912.60/x
  3. Step 3: Cross multiply
    1,413,784.60x = 2,120,676.90 × 853,912.60
  4. Step 4: Simplify right side
    1,413,784.60x = 1,810,872,725,438.94
  5. Step 5: Solve for x
    x = 1,810,872,725,438.94/1,413,784.60
  6. Step 6: Final answer
    x = 1,280,868.90

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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.