Home / 1,331,512.47-1,997,283.30-384,891.39

Finding the Fourth Proportional to 1,331,512.47, 1,997,283.30 and 384,891.39

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Solution

The fourth proportional to 1,331,512.47, 1,997,283.30 and 384,891.39 is: 577,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,512.47 : 1,997,283.30 = 384,891.39 : x
  2. Step 2: Convert to fraction form
    1,331,512.47/1,997,283.30 = 384,891.39/x
  3. Step 3: Cross multiply
    1,331,512.47x = 1,997,283.30 × 384,891.39
  4. Step 4: Simplify right side
    1,331,512.47x = 768,737,143,636.33
  5. Step 5: Solve for x
    x = 768,737,143,636.33/1,331,512.47
  6. Step 6: Final answer
    x = 577,341.30

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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.