Home / 1,456,942.20-2,010,486.20-812,323.95

Finding the Fourth Proportional to 1,456,942.20, 2,010,486.20 and 812,323.95

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Solution

The fourth proportional to 1,456,942.20, 2,010,486.20 and 812,323.95 is: 1,120,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,942.20 : 2,010,486.20 = 812,323.95 : x
  2. Step 2: Convert to fraction form
    1,456,942.20/2,010,486.20 = 812,323.95/x
  3. Step 3: Cross multiply
    1,456,942.20x = 2,010,486.20 × 812,323.95
  4. Step 4: Simplify right side
    1,456,942.20x = 1,633,166,087,342.87
  5. Step 5: Solve for x
    x = 1,633,166,087,342.87/1,456,942.20
  6. Step 6: Final answer
    x = 1,120,954.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.