Home / 1,537,546.76-2,121,945.72-858,614.48

Finding the Fourth Proportional to 1,537,546.76, 2,121,945.72 and 858,614.48

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Solution

The fourth proportional to 1,537,546.76, 2,121,945.72 and 858,614.48 is: 1,184,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,546.76 : 2,121,945.72 = 858,614.48 : x
  2. Step 2: Convert to fraction form
    1,537,546.76/2,121,945.72 = 858,614.48/x
  3. Step 3: Cross multiply
    1,537,546.76x = 2,121,945.72 × 858,614.48
  4. Step 4: Simplify right side
    1,537,546.76x = 1,821,933,320,966.03
  5. Step 5: Solve for x
    x = 1,821,933,320,966.03/1,537,546.76
  6. Step 6: Final answer
    x = 1,184,961.24

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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.