Home / 1,297,359.54-1,946,225.03-398,876.73

Finding the Fourth Proportional to 1,297,359.54, 1,946,225.03 and 398,876.73

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Solution

The fourth proportional to 1,297,359.54, 1,946,225.03 and 398,876.73 is: 598,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,359.54 : 1,946,225.03 = 398,876.73 : x
  2. Step 2: Convert to fraction form
    1,297,359.54/1,946,225.03 = 398,876.73/x
  3. Step 3: Cross multiply
    1,297,359.54x = 1,946,225.03 × 398,876.73
  4. Step 4: Simplify right side
    1,297,359.54x = 776,303,875,810.55
  5. Step 5: Solve for x
    x = 776,303,875,810.55/1,297,359.54
  6. Step 6: Final answer
    x = 598,372.20

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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.