Home / 821,190.80-1,125,012.58-790,488.46

Finding the Fourth Proportional to 821,190.80, 1,125,012.58 and 790,488.46

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Solution

The fourth proportional to 821,190.80, 1,125,012.58 and 790,488.46 is: 1,082,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,190.80 : 1,125,012.58 = 790,488.46 : x
  2. Step 2: Convert to fraction form
    821,190.80/1,125,012.58 = 790,488.46/x
  3. Step 3: Cross multiply
    821,190.80x = 1,125,012.58 × 790,488.46
  4. Step 4: Simplify right side
    821,190.80x = 889,309,461,274.87
  5. Step 5: Solve for x
    x = 889,309,461,274.87/821,190.80
  6. Step 6: Final answer
    x = 1,082,951.07

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