Home / 1,340,247.08-1,849,555.30-728,399.82

Finding the Fourth Proportional to 1,340,247.08, 1,849,555.30 and 728,399.82

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Solution

The fourth proportional to 1,340,247.08, 1,849,555.30 and 728,399.82 is: 1,005,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,247.08 : 1,849,555.30 = 728,399.82 : x
  2. Step 2: Convert to fraction form
    1,340,247.08/1,849,555.30 = 728,399.82/x
  3. Step 3: Cross multiply
    1,340,247.08x = 1,849,555.30 × 728,399.82
  4. Step 4: Simplify right side
    1,340,247.08x = 1,347,215,747,600.05
  5. Step 5: Solve for x
    x = 1,347,215,747,600.05/1,340,247.08
  6. Step 6: Final answer
    x = 1,005,199.54

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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.