Home / 1,435,625.45-2,153,729.78-489,091.85

Finding the Fourth Proportional to 1,435,625.45, 2,153,729.78 and 489,091.85

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Solution

The fourth proportional to 1,435,625.45, 2,153,729.78 and 489,091.85 is: 733,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,625.45 : 2,153,729.78 = 489,091.85 : x
  2. Step 2: Convert to fraction form
    1,435,625.45/2,153,729.78 = 489,091.85/x
  3. Step 3: Cross multiply
    1,435,625.45x = 2,153,729.78 × 489,091.85
  4. Step 4: Simplify right side
    1,435,625.45x = 1,053,371,680,054.83
  5. Step 5: Solve for x
    x = 1,053,371,680,054.83/1,435,625.45
  6. Step 6: Final answer
    x = 733,737.12

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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.