Home / 1,248,800.47-1,873,042.70-395,880.35

Finding the Fourth Proportional to 1,248,800.47, 1,873,042.70 and 395,880.35

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Solution

The fourth proportional to 1,248,800.47, 1,873,042.70 and 395,880.35 is: 593,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,800.47 : 1,873,042.70 = 395,880.35 : x
  2. Step 2: Convert to fraction form
    1,248,800.47/1,873,042.70 = 395,880.35/x
  3. Step 3: Cross multiply
    1,248,800.47x = 1,873,042.70 × 395,880.35
  4. Step 4: Simplify right side
    1,248,800.47x = 741,500,788,296.33
  5. Step 5: Solve for x
    x = 741,500,788,296.33/1,248,800.47
  6. Step 6: Final answer
    x = 593,770.43

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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.