Home / 1,333,802.88-1,840,694.40-730,195.20

Finding the Fourth Proportional to 1,333,802.88, 1,840,694.40 and 730,195.20

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Solution

The fourth proportional to 1,333,802.88, 1,840,694.40 and 730,195.20 is: 1,007,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,802.88 : 1,840,694.40 = 730,195.20 : x
  2. Step 2: Convert to fraction form
    1,333,802.88/1,840,694.40 = 730,195.20/x
  3. Step 3: Cross multiply
    1,333,802.88x = 1,840,694.40 × 730,195.20
  4. Step 4: Simplify right side
    1,333,802.88x = 1,344,066,215,546.88
  5. Step 5: Solve for x
    x = 1,344,066,215,546.88/1,333,802.88
  6. Step 6: Final answer
    x = 1,007,694.79

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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.