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Finding the Fourth Proportional to 1,300,882.58, 1,949,900.43 and 669,834.26

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Solution

The fourth proportional to 1,300,882.58, 1,949,900.43 and 669,834.26 is: 1,004,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,882.58 : 1,949,900.43 = 669,834.26 : x
  2. Step 2: Convert to fraction form
    1,300,882.58/1,949,900.43 = 669,834.26/x
  3. Step 3: Cross multiply
    1,300,882.58x = 1,949,900.43 × 669,834.26
  4. Step 4: Simplify right side
    1,300,882.58x = 1,306,110,111,602.73
  5. Step 5: Solve for x
    x = 1,306,110,111,602.73/1,300,882.58
  6. Step 6: Final answer
    x = 1,004,018.45

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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.