Home / 821,190.48-1,125,012.22-790,488.16

Finding the Fourth Proportional to 821,190.48, 1,125,012.22 and 790,488.16

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Solution

The fourth proportional to 821,190.48, 1,125,012.22 and 790,488.16 is: 1,082,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,190.48 : 1,125,012.22 = 790,488.16 : x
  2. Step 2: Convert to fraction form
    821,190.48/1,125,012.22 = 790,488.16/x
  3. Step 3: Cross multiply
    821,190.48x = 1,125,012.22 × 790,488.16
  4. Step 4: Simplify right side
    821,190.48x = 889,308,839,765.32
  5. Step 5: Solve for x
    x = 889,308,839,765.32/821,190.48
  6. Step 6: Final answer
    x = 1,082,950.74

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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.