Home / 1,309,539.80-1,807,146.78-736,580.36

Finding the Fourth Proportional to 1,309,539.80, 1,807,146.78 and 736,580.36

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Solution

The fourth proportional to 1,309,539.80, 1,807,146.78 and 736,580.36 is: 1,016,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,539.80 : 1,807,146.78 = 736,580.36 : x
  2. Step 2: Convert to fraction form
    1,309,539.80/1,807,146.78 = 736,580.36/x
  3. Step 3: Cross multiply
    1,309,539.80x = 1,807,146.78 × 736,580.36
  4. Step 4: Simplify right side
    1,309,539.80x = 1,331,108,825,785.24
  5. Step 5: Solve for x
    x = 1,331,108,825,785.24/1,309,539.80
  6. Step 6: Final answer
    x = 1,016,470.69

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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.