Home / 1,252,952.20-1,879,428.30-722,110.60

Finding the Fourth Proportional to 1,252,952.20, 1,879,428.30 and 722,110.60

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Solution

The fourth proportional to 1,252,952.20, 1,879,428.30 and 722,110.60 is: 1,083,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,952.20 : 1,879,428.30 = 722,110.60 : x
  2. Step 2: Convert to fraction form
    1,252,952.20/1,879,428.30 = 722,110.60/x
  3. Step 3: Cross multiply
    1,252,952.20x = 1,879,428.30 × 722,110.60
  4. Step 4: Simplify right side
    1,252,952.20x = 1,357,155,097,369.98
  5. Step 5: Solve for x
    x = 1,357,155,097,369.98/1,252,952.20
  6. Step 6: Final answer
    x = 1,083,165.90

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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.