Home / 1,211,079.46-1,816,610.07-312,444.80

Finding the Fourth Proportional to 1,211,079.46, 1,816,610.07 and 312,444.80

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Solution

The fourth proportional to 1,211,079.46, 1,816,610.07 and 312,444.80 is: 468,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,079.46 : 1,816,610.07 = 312,444.80 : x
  2. Step 2: Convert to fraction form
    1,211,079.46/1,816,610.07 = 312,444.80/x
  3. Step 3: Cross multiply
    1,211,079.46x = 1,816,610.07 × 312,444.80
  4. Step 4: Simplify right side
    1,211,079.46x = 567,590,368,436.91
  5. Step 5: Solve for x
    x = 567,590,368,436.91/1,211,079.46
  6. Step 6: Final answer
    x = 468,664.85

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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.