Home / 821,202.49-1,125,028.61-790,500.20

Finding the Fourth Proportional to 821,202.49, 1,125,028.61 and 790,500.20

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Solution

The fourth proportional to 821,202.49, 1,125,028.61 and 790,500.20 is: 1,082,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,202.49 : 1,125,028.61 = 790,500.20 : x
  2. Step 2: Convert to fraction form
    821,202.49/1,125,028.61 = 790,500.20/x
  3. Step 3: Cross multiply
    821,202.49x = 1,125,028.61 × 790,500.20
  4. Step 4: Simplify right side
    821,202.49x = 889,335,341,210.72
  5. Step 5: Solve for x
    x = 889,335,341,210.72/821,202.49
  6. Step 6: Final answer
    x = 1,082,967.18

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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.