Home / 1,309,340.04-1,806,618.33-765,370.68

Finding the Fourth Proportional to 1,309,340.04, 1,806,618.33 and 765,370.68

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Solution

The fourth proportional to 1,309,340.04, 1,806,618.33 and 765,370.68 is: 1,056,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,340.04 : 1,806,618.33 = 765,370.68 : x
  2. Step 2: Convert to fraction form
    1,309,340.04/1,806,618.33 = 765,370.68/x
  3. Step 3: Cross multiply
    1,309,340.04x = 1,806,618.33 × 765,370.68
  4. Step 4: Simplify right side
    1,309,340.04x = 1,382,732,699,732.56
  5. Step 5: Solve for x
    x = 1,382,732,699,732.56/1,309,340.04
  6. Step 6: Final answer
    x = 1,056,053.17

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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.