Home / 1,309,211.40-1,806,694.48-736,251.40

Finding the Fourth Proportional to 1,309,211.40, 1,806,694.48 and 736,251.40

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Solution

The fourth proportional to 1,309,211.40, 1,806,694.48 and 736,251.40 is: 1,016,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,211.40 : 1,806,694.48 = 736,251.40 : x
  2. Step 2: Convert to fraction form
    1,309,211.40/1,806,694.48 = 736,251.40/x
  3. Step 3: Cross multiply
    1,309,211.40x = 1,806,694.48 × 736,251.40
  4. Step 4: Simplify right side
    1,309,211.40x = 1,330,181,340,272.27
  5. Step 5: Solve for x
    x = 1,330,181,340,272.27/1,309,211.40
  6. Step 6: Final answer
    x = 1,016,017.23

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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.