Home / 1,307,999.40-1,963,251.90-677,365.80

Finding the Fourth Proportional to 1,307,999.40, 1,963,251.90 and 677,365.80

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Solution

The fourth proportional to 1,307,999.40, 1,963,251.90 and 677,365.80 is: 1,016,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,999.40 : 1,963,251.90 = 677,365.80 : x
  2. Step 2: Convert to fraction form
    1,307,999.40/1,963,251.90 = 677,365.80/x
  3. Step 3: Cross multiply
    1,307,999.40x = 1,963,251.90 × 677,365.80
  4. Step 4: Simplify right side
    1,307,999.40x = 1,329,839,693,845.02
  5. Step 5: Solve for x
    x = 1,329,839,693,845.02/1,307,999.40
  6. Step 6: Final answer
    x = 1,016,697.48

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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.