Home / 1,297,725.52-1,946,592.84-399,161.20

Finding the Fourth Proportional to 1,297,725.52, 1,946,592.84 and 399,161.20

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Solution

The fourth proportional to 1,297,725.52, 1,946,592.84 and 399,161.20 is: 598,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,725.52 : 1,946,592.84 = 399,161.20 : x
  2. Step 2: Convert to fraction form
    1,297,725.52/1,946,592.84 = 399,161.20/x
  3. Step 3: Cross multiply
    1,297,725.52x = 1,946,592.84 × 399,161.20
  4. Step 4: Simplify right side
    1,297,725.52x = 777,004,333,925.81
  5. Step 5: Solve for x
    x = 777,004,333,925.81/1,297,725.52
  6. Step 6: Final answer
    x = 598,743.20

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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.