Home / 1,307,834.40-1,963,004.40-677,200.80

Finding the Fourth Proportional to 1,307,834.40, 1,963,004.40 and 677,200.80

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Solution

The fourth proportional to 1,307,834.40, 1,963,004.40 and 677,200.80 is: 1,016,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,834.40 : 1,963,004.40 = 677,200.80 : x
  2. Step 2: Convert to fraction form
    1,307,834.40/1,963,004.40 = 677,200.80/x
  3. Step 3: Cross multiply
    1,307,834.40x = 1,963,004.40 × 677,200.80
  4. Step 4: Simplify right side
    1,307,834.40x = 1,329,348,150,083.52
  5. Step 5: Solve for x
    x = 1,329,348,150,083.52/1,307,834.40
  6. Step 6: Final answer
    x = 1,016,449.90

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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.