Home / 1,260,290.77-1,890,717.21-361,662.47

Finding the Fourth Proportional to 1,260,290.77, 1,890,717.21 and 361,662.47

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Solution

The fourth proportional to 1,260,290.77, 1,890,717.21 and 361,662.47 is: 542,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,290.77 : 1,890,717.21 = 361,662.47 : x
  2. Step 2: Convert to fraction form
    1,260,290.77/1,890,717.21 = 361,662.47/x
  3. Step 3: Cross multiply
    1,260,290.77x = 1,890,717.21 × 361,662.47
  4. Step 4: Simplify right side
    1,260,290.77x = 683,801,456,240.11
  5. Step 5: Solve for x
    x = 683,801,456,240.11/1,260,290.77
  6. Step 6: Final answer
    x = 542,574.36

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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.