Home / 1,379,826.21-2,069,576.31-369,026.50

Finding the Fourth Proportional to 1,379,826.21, 2,069,576.31 and 369,026.50

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Solution

The fourth proportional to 1,379,826.21, 2,069,576.31 and 369,026.50 is: 553,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,826.21 : 2,069,576.31 = 369,026.50 : x
  2. Step 2: Convert to fraction form
    1,379,826.21/2,069,576.31 = 369,026.50/x
  3. Step 3: Cross multiply
    1,379,826.21x = 2,069,576.31 × 369,026.50
  4. Step 4: Simplify right side
    1,379,826.21x = 763,728,508,258.72
  5. Step 5: Solve for x
    x = 763,728,508,258.72/1,379,826.21
  6. Step 6: Final answer
    x = 553,496.16

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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.