Home / 1,309,343.04-1,806,622.47-765,373.68

Finding the Fourth Proportional to 1,309,343.04, 1,806,622.47 and 765,373.68

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Solution

The fourth proportional to 1,309,343.04, 1,806,622.47 and 765,373.68 is: 1,056,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,343.04 : 1,806,622.47 = 765,373.68 : x
  2. Step 2: Convert to fraction form
    1,309,343.04/1,806,622.47 = 765,373.68/x
  3. Step 3: Cross multiply
    1,309,343.04x = 1,806,622.47 × 765,373.68
  4. Step 4: Simplify right side
    1,309,343.04x = 1,382,741,288,234.59
  5. Step 5: Solve for x
    x = 1,382,741,288,234.59/1,309,343.04
  6. Step 6: Final answer
    x = 1,056,057.31

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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.