Home / 1,295,670.35-1,940,903.48-645,287.30

Finding the Fourth Proportional to 1,295,670.35, 1,940,903.48 and 645,287.30

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Solution

The fourth proportional to 1,295,670.35, 1,940,903.48 and 645,287.30 is: 966,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,670.35 : 1,940,903.48 = 645,287.30 : x
  2. Step 2: Convert to fraction form
    1,295,670.35/1,940,903.48 = 645,287.30/x
  3. Step 3: Cross multiply
    1,295,670.35x = 1,940,903.48 × 645,287.30
  4. Step 4: Simplify right side
    1,295,670.35x = 1,252,440,353,238.85
  5. Step 5: Solve for x
    x = 1,252,440,353,238.85/1,295,670.35
  6. Step 6: Final answer
    x = 966,635.04

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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.