Home / 1,309,310.40-1,806,637.17-736,316.40

Finding the Fourth Proportional to 1,309,310.40, 1,806,637.17 and 736,316.40

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Solution

The fourth proportional to 1,309,310.40, 1,806,637.17 and 736,316.40 is: 1,015,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,310.40 : 1,806,637.17 = 736,316.40 : x
  2. Step 2: Convert to fraction form
    1,309,310.40/1,806,637.17 = 736,316.40/x
  3. Step 3: Cross multiply
    1,309,310.40x = 1,806,637.17 × 736,316.40
  4. Step 4: Simplify right side
    1,309,310.40x = 1,330,256,577,120.59
  5. Step 5: Solve for x
    x = 1,330,256,577,120.59/1,309,310.40
  6. Step 6: Final answer
    x = 1,015,997.87

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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.