Home / 1,309,804.84-1,806,869.04-765,585.08

Finding the Fourth Proportional to 1,309,804.84, 1,806,869.04 and 765,585.08

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Solution

The fourth proportional to 1,309,804.84, 1,806,869.04 and 765,585.08 is: 1,056,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,804.84 : 1,806,869.04 = 765,585.08 : x
  2. Step 2: Convert to fraction form
    1,309,804.84/1,806,869.04 = 765,585.08/x
  3. Step 3: Cross multiply
    1,309,804.84x = 1,806,869.04 × 765,585.08
  4. Step 4: Simplify right side
    1,309,804.84x = 1,383,311,969,503.58
  5. Step 5: Solve for x
    x = 1,383,311,969,503.58/1,309,804.84
  6. Step 6: Final answer
    x = 1,056,120.68

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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.