Home / 821,201.49-1,125,027.24-790,499.20

Finding the Fourth Proportional to 821,201.49, 1,125,027.24 and 790,499.20

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Solution

The fourth proportional to 821,201.49, 1,125,027.24 and 790,499.20 is: 1,082,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,201.49 : 1,125,027.24 = 790,499.20 : x
  2. Step 2: Convert to fraction form
    821,201.49/1,125,027.24 = 790,499.20/x
  3. Step 3: Cross multiply
    821,201.49x = 1,125,027.24 × 790,499.20
  4. Step 4: Simplify right side
    821,201.49x = 889,333,130,642.37
  5. Step 5: Solve for x
    x = 889,333,130,642.37/821,201.49
  6. Step 6: Final answer
    x = 1,082,965.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.