Home / 784,994.40-1,175,936.40-729,007.20

Finding the Fourth Proportional to 784,994.40, 1,175,936.40 and 729,007.20

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Solution

The fourth proportional to 784,994.40, 1,175,936.40 and 729,007.20 is: 1,092,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,994.40 : 1,175,936.40 = 729,007.20 : x
  2. Step 2: Convert to fraction form
    784,994.40/1,175,936.40 = 729,007.20/x
  3. Step 3: Cross multiply
    784,994.40x = 1,175,936.40 × 729,007.20
  4. Step 4: Simplify right side
    784,994.40x = 857,266,102,342.08
  5. Step 5: Solve for x
    x = 857,266,102,342.08/784,994.40
  6. Step 6: Final answer
    x = 1,092,066.52

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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.