Home / 1,333,593.12-1,840,399.20-729,981.12

Finding the Fourth Proportional to 1,333,593.12, 1,840,399.20 and 729,981.12

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Solution

The fourth proportional to 1,333,593.12, 1,840,399.20 and 729,981.12 is: 1,007,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,593.12 : 1,840,399.20 = 729,981.12 : x
  2. Step 2: Convert to fraction form
    1,333,593.12/1,840,399.20 = 729,981.12/x
  3. Step 3: Cross multiply
    1,333,593.12x = 1,840,399.20 × 729,981.12
  4. Step 4: Simplify right side
    1,333,593.12x = 1,343,456,669,263.10
  5. Step 5: Solve for x
    x = 1,343,456,669,263.10/1,333,593.12
  6. Step 6: Final answer
    x = 1,007,396.22

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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.