Home / 1,260,485.26-1,890,973.73-407,768.29

Finding the Fourth Proportional to 1,260,485.26, 1,890,973.73 and 407,768.29

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Solution

The fourth proportional to 1,260,485.26, 1,890,973.73 and 407,768.29 is: 611,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,485.26 : 1,890,973.73 = 407,768.29 : x
  2. Step 2: Convert to fraction form
    1,260,485.26/1,890,973.73 = 407,768.29/x
  3. Step 3: Cross multiply
    1,260,485.26x = 1,890,973.73 × 407,768.29
  4. Step 4: Simplify right side
    1,260,485.26x = 771,079,124,317.02
  5. Step 5: Solve for x
    x = 771,079,124,317.02/1,260,485.26
  6. Step 6: Final answer
    x = 611,731.96

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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.