Home / 806,054.80-1,209,082.20-681,638.80

Finding the Fourth Proportional to 806,054.80, 1,209,082.20 and 681,638.80

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Solution

The fourth proportional to 806,054.80, 1,209,082.20 and 681,638.80 is: 1,022,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,054.80 : 1,209,082.20 = 681,638.80 : x
  2. Step 2: Convert to fraction form
    806,054.80/1,209,082.20 = 681,638.80/x
  3. Step 3: Cross multiply
    806,054.80x = 1,209,082.20 × 681,638.80
  4. Step 4: Simplify right side
    806,054.80x = 824,157,339,909.36
  5. Step 5: Solve for x
    x = 824,157,339,909.36/806,054.80
  6. Step 6: Final answer
    x = 1,022,458.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.