Home / 1,297,719.52-1,946,583.84-399,155.20

Finding the Fourth Proportional to 1,297,719.52, 1,946,583.84 and 399,155.20

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Solution

The fourth proportional to 1,297,719.52, 1,946,583.84 and 399,155.20 is: 598,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,719.52 : 1,946,583.84 = 399,155.20 : x
  2. Step 2: Convert to fraction form
    1,297,719.52/1,946,583.84 = 399,155.20/x
  3. Step 3: Cross multiply
    1,297,719.52x = 1,946,583.84 × 399,155.20
  4. Step 4: Simplify right side
    1,297,719.52x = 776,989,061,971.97
  5. Step 5: Solve for x
    x = 776,989,061,971.97/1,297,719.52
  6. Step 6: Final answer
    x = 598,734.20

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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.