Home / 1,262,289.24-1,893,450.60-420,841.26

Finding the Fourth Proportional to 1,262,289.24, 1,893,450.60 and 420,841.26

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Solution

The fourth proportional to 1,262,289.24, 1,893,450.60 and 420,841.26 is: 631,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,289.24 : 1,893,450.60 = 420,841.26 : x
  2. Step 2: Convert to fraction form
    1,262,289.24/1,893,450.60 = 420,841.26/x
  3. Step 3: Cross multiply
    1,262,289.24x = 1,893,450.60 × 420,841.26
  4. Step 4: Simplify right side
    1,262,289.24x = 796,842,136,251.76
  5. Step 5: Solve for x
    x = 796,842,136,251.76/1,262,289.24
  6. Step 6: Final answer
    x = 631,267.47

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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.