Home / 1,309,539.30-1,807,146.09-736,579.86

Finding the Fourth Proportional to 1,309,539.30, 1,807,146.09 and 736,579.86

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Solution

The fourth proportional to 1,309,539.30, 1,807,146.09 and 736,579.86 is: 1,016,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,539.30 : 1,807,146.09 = 736,579.86 : x
  2. Step 2: Convert to fraction form
    1,309,539.30/1,807,146.09 = 736,579.86/x
  3. Step 3: Cross multiply
    1,309,539.30x = 1,807,146.09 × 736,579.86
  4. Step 4: Simplify right side
    1,309,539.30x = 1,331,107,413,971.75
  5. Step 5: Solve for x
    x = 1,331,107,413,971.75/1,309,539.30
  6. Step 6: Final answer
    x = 1,016,470.00

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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.