Home / 1,211,218.00-1,817,108.37-412,506.36

Finding the Fourth Proportional to 1,211,218.00, 1,817,108.37 and 412,506.36

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Solution

The fourth proportional to 1,211,218.00, 1,817,108.37 and 412,506.36 is: 618,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,218.00 : 1,817,108.37 = 412,506.36 : x
  2. Step 2: Convert to fraction form
    1,211,218.00/1,817,108.37 = 412,506.36/x
  3. Step 3: Cross multiply
    1,211,218.00x = 1,817,108.37 × 412,506.36
  4. Step 4: Simplify right side
    1,211,218.00x = 749,568,759,434.23
  5. Step 5: Solve for x
    x = 749,568,759,434.23/1,211,218.00
  6. Step 6: Final answer
    x = 618,855.37

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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.