Home / 1,208,342.60-1,667,485.70-657,046.28

Finding the Fourth Proportional to 1,208,342.60, 1,667,485.70 and 657,046.28

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Solution

The fourth proportional to 1,208,342.60, 1,667,485.70 and 657,046.28 is: 906,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,342.60 : 1,667,485.70 = 657,046.28 : x
  2. Step 2: Convert to fraction form
    1,208,342.60/1,667,485.70 = 657,046.28/x
  3. Step 3: Cross multiply
    1,208,342.60x = 1,667,485.70 × 657,046.28
  4. Step 4: Simplify right side
    1,208,342.60x = 1,095,615,276,138.20
  5. Step 5: Solve for x
    x = 1,095,615,276,138.20/1,208,342.60
  6. Step 6: Final answer
    x = 906,709.14

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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.