Home / 1,256,857.56-1,885,042.98-488,353.92

Finding the Fourth Proportional to 1,256,857.56, 1,885,042.98 and 488,353.92

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Solution

The fourth proportional to 1,256,857.56, 1,885,042.98 and 488,353.92 is: 732,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,857.56 : 1,885,042.98 = 488,353.92 : x
  2. Step 2: Convert to fraction form
    1,256,857.56/1,885,042.98 = 488,353.92/x
  3. Step 3: Cross multiply
    1,256,857.56x = 1,885,042.98 × 488,353.92
  4. Step 4: Simplify right side
    1,256,857.56x = 920,568,128,651.48
  5. Step 5: Solve for x
    x = 920,568,128,651.48/1,256,857.56
  6. Step 6: Final answer
    x = 732,436.32

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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.