Home / 1,308,794.40-1,964,241.49-677,888.64

Finding the Fourth Proportional to 1,308,794.40, 1,964,241.49 and 677,888.64

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Solution

The fourth proportional to 1,308,794.40, 1,964,241.49 and 677,888.64 is: 1,017,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,794.40 : 1,964,241.49 = 677,888.64 : x
  2. Step 2: Convert to fraction form
    1,308,794.40/1,964,241.49 = 677,888.64/x
  3. Step 3: Cross multiply
    1,308,794.40x = 1,964,241.49 × 677,888.64
  4. Step 4: Simplify right side
    1,308,794.40x = 1,331,536,992,287.67
  5. Step 5: Solve for x
    x = 1,331,536,992,287.67/1,308,794.40
  6. Step 6: Final answer
    x = 1,017,376.75

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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.