Home / 1,012,786.40-1,519,259.79-338,871.26

Finding the Fourth Proportional to 1,012,786.40, 1,519,259.79 and 338,871.26

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Solution

The fourth proportional to 1,012,786.40, 1,519,259.79 and 338,871.26 is: 508,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,786.40 : 1,519,259.79 = 338,871.26 : x
  2. Step 2: Convert to fraction form
    1,012,786.40/1,519,259.79 = 338,871.26/x
  3. Step 3: Cross multiply
    1,012,786.40x = 1,519,259.79 × 338,871.26
  4. Step 4: Simplify right side
    1,012,786.40x = 514,833,479,304.64
  5. Step 5: Solve for x
    x = 514,833,479,304.64/1,012,786.40
  6. Step 6: Final answer
    x = 508,333.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.