Home / 1,599,748.88-2,399,625.76-640,636.40

Finding the Fourth Proportional to 1,599,748.88, 2,399,625.76 and 640,636.40

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Solution

The fourth proportional to 1,599,748.88, 2,399,625.76 and 640,636.40 is: 960,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,748.88 : 2,399,625.76 = 640,636.40 : x
  2. Step 2: Convert to fraction form
    1,599,748.88/2,399,625.76 = 640,636.40/x
  3. Step 3: Cross multiply
    1,599,748.88x = 2,399,625.76 × 640,636.40
  4. Step 4: Simplify right side
    1,599,748.88x = 1,537,287,608,233.66
  5. Step 5: Solve for x
    x = 1,537,287,608,233.66/1,599,748.88
  6. Step 6: Final answer
    x = 960,955.58

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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.