Home / 1,093,500.15-1,640,250.23-978,354.60

Finding the Fourth Proportional to 1,093,500.15, 1,640,250.23 and 978,354.60

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Solution

The fourth proportional to 1,093,500.15, 1,640,250.23 and 978,354.60 is: 1,467,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,500.15 : 1,640,250.23 = 978,354.60 : x
  2. Step 2: Convert to fraction form
    1,093,500.15/1,640,250.23 = 978,354.60/x
  3. Step 3: Cross multiply
    1,093,500.15x = 1,640,250.23 × 978,354.60
  4. Step 4: Simplify right side
    1,093,500.15x = 1,604,746,352,779.79
  5. Step 5: Solve for x
    x = 1,604,746,352,779.79/1,093,500.15
  6. Step 6: Final answer
    x = 1,467,531.90

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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.