Home / 1,208,490.36-1,667,735.84-664,649.88

Finding the Fourth Proportional to 1,208,490.36, 1,667,735.84 and 664,649.88

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Solution

The fourth proportional to 1,208,490.36, 1,667,735.84 and 664,649.88 is: 917,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,490.36 : 1,667,735.84 = 664,649.88 : x
  2. Step 2: Convert to fraction form
    1,208,490.36/1,667,735.84 = 664,649.88/x
  3. Step 3: Cross multiply
    1,208,490.36x = 1,667,735.84 × 664,649.88
  4. Step 4: Simplify right side
    1,208,490.36x = 1,108,460,425,927.70
  5. Step 5: Solve for x
    x = 1,108,460,425,927.70/1,208,490.36
  6. Step 6: Final answer
    x = 917,227.36

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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.