Home / 1,311,106.50-1,966,769.10-364,485.42

Finding the Fourth Proportional to 1,311,106.50, 1,966,769.10 and 364,485.42

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Solution

The fourth proportional to 1,311,106.50, 1,966,769.10 and 364,485.42 is: 546,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,106.50 : 1,966,769.10 = 364,485.42 : x
  2. Step 2: Convert to fraction form
    1,311,106.50/1,966,769.10 = 364,485.42/x
  3. Step 3: Cross multiply
    1,311,106.50x = 1,966,769.10 × 364,485.42
  4. Step 4: Simplify right side
    1,311,106.50x = 716,858,661,456.52
  5. Step 5: Solve for x
    x = 716,858,661,456.52/1,311,106.50
  6. Step 6: Final answer
    x = 546,758.53

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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.