Home / 1,521,485.69-2,282,451.08-456,611.90

Finding the Fourth Proportional to 1,521,485.69, 2,282,451.08 and 456,611.90

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Solution

The fourth proportional to 1,521,485.69, 2,282,451.08 and 456,611.90 is: 684,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,485.69 : 2,282,451.08 = 456,611.90 : x
  2. Step 2: Convert to fraction form
    1,521,485.69/2,282,451.08 = 456,611.90/x
  3. Step 3: Cross multiply
    1,521,485.69x = 2,282,451.08 × 456,611.90
  4. Step 4: Simplify right side
    1,521,485.69x = 1,042,194,310,600.54
  5. Step 5: Solve for x
    x = 1,042,194,310,600.54/1,521,485.69
  6. Step 6: Final answer
    x = 684,984.63

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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.