Home / 1,295,668.34-1,940,900.48-645,285.30

Finding the Fourth Proportional to 1,295,668.34, 1,940,900.48 and 645,285.30

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Solution

The fourth proportional to 1,295,668.34, 1,940,900.48 and 645,285.30 is: 966,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,668.34 : 1,940,900.48 = 645,285.30 : x
  2. Step 2: Convert to fraction form
    1,295,668.34/1,940,900.48 = 645,285.30/x
  3. Step 3: Cross multiply
    1,295,668.34x = 1,940,900.48 × 645,285.30
  4. Step 4: Simplify right side
    1,295,668.34x = 1,252,434,548,506.94
  5. Step 5: Solve for x
    x = 1,252,434,548,506.94/1,295,668.34
  6. Step 6: Final answer
    x = 966,632.05

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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.