Home / 1,340,623.64-1,850,021.72-759,900.30

Finding the Fourth Proportional to 1,340,623.64, 1,850,021.72 and 759,900.30

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Solution

The fourth proportional to 1,340,623.64, 1,850,021.72 and 759,900.30 is: 1,048,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,623.64 : 1,850,021.72 = 759,900.30 : x
  2. Step 2: Convert to fraction form
    1,340,623.64/1,850,021.72 = 759,900.30/x
  3. Step 3: Cross multiply
    1,340,623.64x = 1,850,021.72 × 759,900.30
  4. Step 4: Simplify right side
    1,340,623.64x = 1,405,832,060,034.52
  5. Step 5: Solve for x
    x = 1,405,832,060,034.52/1,340,623.64
  6. Step 6: Final answer
    x = 1,048,640.37

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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.