Home / 1,216,796.40-1,823,907.49-458,309.69

Finding the Fourth Proportional to 1,216,796.40, 1,823,907.49 and 458,309.69

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Solution

The fourth proportional to 1,216,796.40, 1,823,907.49 and 458,309.69 is: 686,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,796.40 : 1,823,907.49 = 458,309.69 : x
  2. Step 2: Convert to fraction form
    1,216,796.40/1,823,907.49 = 458,309.69/x
  3. Step 3: Cross multiply
    1,216,796.40x = 1,823,907.49 × 458,309.69
  4. Step 4: Simplify right side
    1,216,796.40x = 835,914,476,330.58
  5. Step 5: Solve for x
    x = 835,914,476,330.58/1,216,796.40
  6. Step 6: Final answer
    x = 686,979.74

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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.