Home / 1,297,359.81-1,946,225.44-398,876.98

Finding the Fourth Proportional to 1,297,359.81, 1,946,225.44 and 398,876.98

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Solution

The fourth proportional to 1,297,359.81, 1,946,225.44 and 398,876.98 is: 598,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,359.81 : 1,946,225.44 = 398,876.98 : x
  2. Step 2: Convert to fraction form
    1,297,359.81/1,946,225.44 = 398,876.98/x
  3. Step 3: Cross multiply
    1,297,359.81x = 1,946,225.44 × 398,876.98
  4. Step 4: Simplify right side
    1,297,359.81x = 776,304,525,906.37
  5. Step 5: Solve for x
    x = 776,304,525,906.37/1,297,359.81
  6. Step 6: Final answer
    x = 598,372.57

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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.