Home / 1,262,295.74-1,893,460.36-420,847.76

Finding the Fourth Proportional to 1,262,295.74, 1,893,460.36 and 420,847.76

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Solution

The fourth proportional to 1,262,295.74, 1,893,460.36 and 420,847.76 is: 631,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,295.74 : 1,893,460.36 = 420,847.76 : x
  2. Step 2: Convert to fraction form
    1,262,295.74/1,893,460.36 = 420,847.76/x
  3. Step 3: Cross multiply
    1,262,295.74x = 1,893,460.36 × 420,847.76
  4. Step 4: Simplify right side
    1,262,295.74x = 796,858,551,154.79
  5. Step 5: Solve for x
    x = 796,858,551,154.79/1,262,295.74
  6. Step 6: Final answer
    x = 631,277.22

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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.