Home / 1,208,037.22-1,667,094.69-664,228.60

Finding the Fourth Proportional to 1,208,037.22, 1,667,094.69 and 664,228.60

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Solution

The fourth proportional to 1,208,037.22, 1,667,094.69 and 664,228.60 is: 916,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,037.22 : 1,667,094.69 = 664,228.60 : x
  2. Step 2: Convert to fraction form
    1,208,037.22/1,667,094.69 = 664,228.60/x
  3. Step 3: Cross multiply
    1,208,037.22x = 1,667,094.69 × 664,228.60
  4. Step 4: Simplify right side
    1,208,037.22x = 1,107,331,972,006.13
  5. Step 5: Solve for x
    x = 1,107,331,972,006.13/1,208,037.22
  6. Step 6: Final answer
    x = 916,637.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.