Home / 1,211,213.80-1,816,164.60-501,313.60

Finding the Fourth Proportional to 1,211,213.80, 1,816,164.60 and 501,313.60

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Solution

The fourth proportional to 1,211,213.80, 1,816,164.60 and 501,313.60 is: 751,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,213.80 : 1,816,164.60 = 501,313.60 : x
  2. Step 2: Convert to fraction form
    1,211,213.80/1,816,164.60 = 501,313.60/x
  3. Step 3: Cross multiply
    1,211,213.80x = 1,816,164.60 × 501,313.60
  4. Step 4: Simplify right side
    1,211,213.80x = 910,468,013,818.56
  5. Step 5: Solve for x
    x = 910,468,013,818.56/1,211,213.80
  6. Step 6: Final answer
    x = 751,698.84

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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.