Home / 1,413,308.40-1,949,678.82-839,942.88

Finding the Fourth Proportional to 1,413,308.40, 1,949,678.82 and 839,942.88

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Solution

The fourth proportional to 1,413,308.40, 1,949,678.82 and 839,942.88 is: 1,158,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,308.40 : 1,949,678.82 = 839,942.88 : x
  2. Step 2: Convert to fraction form
    1,413,308.40/1,949,678.82 = 839,942.88/x
  3. Step 3: Cross multiply
    1,413,308.40x = 1,949,678.82 × 839,942.88
  4. Step 4: Simplify right side
    1,413,308.40x = 1,637,618,843,145.80
  5. Step 5: Solve for x
    x = 1,637,618,843,145.80/1,413,308.40
  6. Step 6: Final answer
    x = 1,158,713.02

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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.