Home / 1,450,000.63-2,000,999.86-805,480.80

Finding the Fourth Proportional to 1,450,000.63, 2,000,999.86 and 805,480.80

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Solution

The fourth proportional to 1,450,000.63, 2,000,999.86 and 805,480.80 is: 1,111,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,000.63 : 2,000,999.86 = 805,480.80 : x
  2. Step 2: Convert to fraction form
    1,450,000.63/2,000,999.86 = 805,480.80/x
  3. Step 3: Cross multiply
    1,450,000.63x = 2,000,999.86 × 805,480.80
  4. Step 4: Simplify right side
    1,450,000.63x = 1,611,766,968,032.69
  5. Step 5: Solve for x
    x = 1,611,766,968,032.69/1,450,000.63
  6. Step 6: Final answer
    x = 1,111,562.94

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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.