Home / 1,379,881.23-2,069,676.25-369,105.18

Finding the Fourth Proportional to 1,379,881.23, 2,069,676.25 and 369,105.18

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Solution

The fourth proportional to 1,379,881.23, 2,069,676.25 and 369,105.18 is: 553,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,881.23 : 2,069,676.25 = 369,105.18 : x
  2. Step 2: Convert to fraction form
    1,379,881.23/2,069,676.25 = 369,105.18/x
  3. Step 3: Cross multiply
    1,379,881.23x = 2,069,676.25 × 369,105.18
  4. Step 4: Simplify right side
    1,379,881.23x = 763,928,224,797.98
  5. Step 5: Solve for x
    x = 763,928,224,797.98/1,379,881.23
  6. Step 6: Final answer
    x = 553,618.82

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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.