Home / 1,494,905.49-2,062,940.81-815,846.85

Finding the Fourth Proportional to 1,494,905.49, 2,062,940.81 and 815,846.85

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Solution

The fourth proportional to 1,494,905.49, 2,062,940.81 and 815,846.85 is: 1,125,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,905.49 : 2,062,940.81 = 815,846.85 : x
  2. Step 2: Convert to fraction form
    1,494,905.49/2,062,940.81 = 815,846.85/x
  3. Step 3: Cross multiply
    1,494,905.49x = 2,062,940.81 × 815,846.85
  4. Step 4: Simplify right side
    1,494,905.49x = 1,683,043,757,495.71
  5. Step 5: Solve for x
    x = 1,683,043,757,495.71/1,494,905.49
  6. Step 6: Final answer
    x = 1,125,852.95

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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.