Home / 1,090,107.90-1,632,209.40-853,911.90

Finding the Fourth Proportional to 1,090,107.90, 1,632,209.40 and 853,911.90

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Solution

The fourth proportional to 1,090,107.90, 1,632,209.40 and 853,911.90 is: 1,278,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,107.90 : 1,632,209.40 = 853,911.90 : x
  2. Step 2: Convert to fraction form
    1,090,107.90/1,632,209.40 = 853,911.90/x
  3. Step 3: Cross multiply
    1,090,107.90x = 1,632,209.40 × 853,911.90
  4. Step 4: Simplify right side
    1,090,107.90x = 1,393,763,029,951.86
  5. Step 5: Solve for x
    x = 1,393,763,029,951.86/1,090,107.90
  6. Step 6: Final answer
    x = 1,278,555.11

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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.