Home / 1,363,812.86-1,882,868.10-1,212,491

Finding the Fourth Proportional to 1,363,812.86, 1,882,868.10 and 1,212,491

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Solution

The fourth proportional to 1,363,812.86, 1,882,868.10 and 1,212,491 is: 1,673,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,812.86 : 1,882,868.10 = 1,212,491 : x
  2. Step 2: Convert to fraction form
    1,363,812.86/1,882,868.10 = 1,212,491/x
  3. Step 3: Cross multiply
    1,363,812.86x = 1,882,868.10 × 1,212,491
  4. Step 4: Simplify right side
    1,363,812.86x = 2,282,960,625,437.10
  5. Step 5: Solve for x
    x = 2,282,960,625,437.10/1,363,812.86
  6. Step 6: Final answer
    x = 1,673,954.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.