Home / 1,208,443.08-1,667,661.96-657,160.68

Finding the Fourth Proportional to 1,208,443.08, 1,667,661.96 and 657,160.68

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Solution

The fourth proportional to 1,208,443.08, 1,667,661.96 and 657,160.68 is: 906,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,443.08 : 1,667,661.96 = 657,160.68 : x
  2. Step 2: Convert to fraction form
    1,208,443.08/1,667,661.96 = 657,160.68/x
  3. Step 3: Cross multiply
    1,208,443.08x = 1,667,661.96 × 657,160.68
  4. Step 4: Simplify right side
    1,208,443.08x = 1,095,921,867,643.73
  5. Step 5: Solve for x
    x = 1,095,921,867,643.73/1,208,443.08
  6. Step 6: Final answer
    x = 906,887.45

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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.