Home / 1,379,883.52-2,069,679.68-369,107.47

Finding the Fourth Proportional to 1,379,883.52, 2,069,679.68 and 369,107.47

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Solution

The fourth proportional to 1,379,883.52, 2,069,679.68 and 369,107.47 is: 553,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,883.52 : 2,069,679.68 = 369,107.47 : x
  2. Step 2: Convert to fraction form
    1,379,883.52/2,069,679.68 = 369,107.47/x
  3. Step 3: Cross multiply
    1,379,883.52x = 2,069,679.68 × 369,107.47
  4. Step 4: Simplify right side
    1,379,883.52x = 763,934,228,549.67
  5. Step 5: Solve for x
    x = 763,934,228,549.67/1,379,883.52
  6. Step 6: Final answer
    x = 553,622.26

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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.