Home / 1,638,262.46-2,455,463.57-738,650.95

Finding the Fourth Proportional to 1,638,262.46, 2,455,463.57 and 738,650.95

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Solution

The fourth proportional to 1,638,262.46, 2,455,463.57 and 738,650.95 is: 1,107,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,262.46 : 2,455,463.57 = 738,650.95 : x
  2. Step 2: Convert to fraction form
    1,638,262.46/2,455,463.57 = 738,650.95/x
  3. Step 3: Cross multiply
    1,638,262.46x = 2,455,463.57 × 738,650.95
  4. Step 4: Simplify right side
    1,638,262.46x = 1,813,730,488,838.98
  5. Step 5: Solve for x
    x = 1,813,730,488,838.98/1,638,262.46
  6. Step 6: Final answer
    x = 1,107,106.18

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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.