Home / 1,221,722.25-1,832,846.58-368,722.50

Finding the Fourth Proportional to 1,221,722.25, 1,832,846.58 and 368,722.50

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Solution

The fourth proportional to 1,221,722.25, 1,832,846.58 and 368,722.50 is: 553,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,722.25 : 1,832,846.58 = 368,722.50 : x
  2. Step 2: Convert to fraction form
    1,221,722.25/1,832,846.58 = 368,722.50/x
  3. Step 3: Cross multiply
    1,221,722.25x = 1,832,846.58 × 368,722.50
  4. Step 4: Simplify right side
    1,221,722.25x = 675,811,773,094.05
  5. Step 5: Solve for x
    x = 675,811,773,094.05/1,221,722.25
  6. Step 6: Final answer
    x = 553,163.19

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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.