Home / 1,262,306.94-1,893,477.14-420,858.96

Finding the Fourth Proportional to 1,262,306.94, 1,893,477.14 and 420,858.96

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Solution

The fourth proportional to 1,262,306.94, 1,893,477.14 and 420,858.96 is: 631,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,306.94 : 1,893,477.14 = 420,858.96 : x
  2. Step 2: Convert to fraction form
    1,262,306.94/1,893,477.14 = 420,858.96/x
  3. Step 3: Cross multiply
    1,262,306.94x = 1,893,477.14 × 420,858.96
  4. Step 4: Simplify right side
    1,262,306.94x = 796,886,819,924.18
  5. Step 5: Solve for x
    x = 796,886,819,924.18/1,262,306.94
  6. Step 6: Final answer
    x = 631,294.02

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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.