Home / 1,095,121.80-1,642,391.10-336,961.80

Finding the Fourth Proportional to 1,095,121.80, 1,642,391.10 and 336,961.80

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Solution

The fourth proportional to 1,095,121.80, 1,642,391.10 and 336,961.80 is: 505,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,121.80 : 1,642,391.10 = 336,961.80 : x
  2. Step 2: Convert to fraction form
    1,095,121.80/1,642,391.10 = 336,961.80/x
  3. Step 3: Cross multiply
    1,095,121.80x = 1,642,391.10 × 336,961.80
  4. Step 4: Simplify right side
    1,095,121.80x = 553,423,061,359.98
  5. Step 5: Solve for x
    x = 553,423,061,359.98/1,095,121.80
  6. Step 6: Final answer
    x = 505,352.98

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1.5x scale

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.