Home / 1,208,228.44-1,667,398.02-664,405.48

Finding the Fourth Proportional to 1,208,228.44, 1,667,398.02 and 664,405.48

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Solution

The fourth proportional to 1,208,228.44, 1,667,398.02 and 664,405.48 is: 916,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,228.44 : 1,667,398.02 = 664,405.48 : x
  2. Step 2: Convert to fraction form
    1,208,228.44/1,667,398.02 = 664,405.48/x
  3. Step 3: Cross multiply
    1,208,228.44x = 1,667,398.02 × 664,405.48
  4. Step 4: Simplify right side
    1,208,228.44x = 1,107,828,381,829.15
  5. Step 5: Solve for x
    x = 1,107,828,381,829.15/1,208,228.44
  6. Step 6: Final answer
    x = 916,903.08

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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.