Home / 923,404.80-1,385,107.20-879,859.20

Finding the Fourth Proportional to 923,404.80, 1,385,107.20 and 879,859.20

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Solution

The fourth proportional to 923,404.80, 1,385,107.20 and 879,859.20 is: 1,319,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,404.80 : 1,385,107.20 = 879,859.20 : x
  2. Step 2: Convert to fraction form
    923,404.80/1,385,107.20 = 879,859.20/x
  3. Step 3: Cross multiply
    923,404.80x = 1,385,107.20 × 879,859.20
  4. Step 4: Simplify right side
    923,404.80x = 1,218,699,312,906.24
  5. Step 5: Solve for x
    x = 1,218,699,312,906.24/923,404.80
  6. Step 6: Final answer
    x = 1,319,788.80

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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.