Home / 1,599,602.78-2,399,403.72-640,490.29

Finding the Fourth Proportional to 1,599,602.78, 2,399,403.72 and 640,490.29

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Solution

The fourth proportional to 1,599,602.78, 2,399,403.72 and 640,490.29 is: 960,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,602.78 : 2,399,403.72 = 640,490.29 : x
  2. Step 2: Convert to fraction form
    1,599,602.78/2,399,403.72 = 640,490.29/x
  3. Step 3: Cross multiply
    1,599,602.78x = 2,399,403.72 × 640,490.29
  4. Step 4: Simplify right side
    1,599,602.78x = 1,536,794,777,250.45
  5. Step 5: Solve for x
    x = 1,536,794,777,250.45/1,599,602.78
  6. Step 6: Final answer
    x = 960,735.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.