Home / 923,408.80-1,385,113.20-879,863.20

Finding the Fourth Proportional to 923,408.80, 1,385,113.20 and 879,863.20

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Solution

The fourth proportional to 923,408.80, 1,385,113.20 and 879,863.20 is: 1,319,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,408.80 : 1,385,113.20 = 879,863.20 : x
  2. Step 2: Convert to fraction form
    923,408.80/1,385,113.20 = 879,863.20/x
  3. Step 3: Cross multiply
    923,408.80x = 1,385,113.20 × 879,863.20
  4. Step 4: Simplify right side
    923,408.80x = 1,218,710,132,514.24
  5. Step 5: Solve for x
    x = 1,218,710,132,514.24/923,408.80
  6. Step 6: Final answer
    x = 1,319,794.80

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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.