Home / 1,015,884.52-1,401,636.90-800,355.56

Finding the Fourth Proportional to 1,015,884.52, 1,401,636.90 and 800,355.56

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Solution

The fourth proportional to 1,015,884.52, 1,401,636.90 and 800,355.56 is: 1,104,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,884.52 : 1,401,636.90 = 800,355.56 : x
  2. Step 2: Convert to fraction form
    1,015,884.52/1,401,636.90 = 800,355.56/x
  3. Step 3: Cross multiply
    1,015,884.52x = 1,401,636.90 × 800,355.56
  4. Step 4: Simplify right side
    1,015,884.52x = 1,121,807,886,016.16
  5. Step 5: Solve for x
    x = 1,121,807,886,016.16/1,015,884.52
  6. Step 6: Final answer
    x = 1,104,267.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.