Home / 1,271,893.80-1,754,779.37-788,282.49

Finding the Fourth Proportional to 1,271,893.80, 1,754,779.37 and 788,282.49

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Solution

The fourth proportional to 1,271,893.80, 1,754,779.37 and 788,282.49 is: 1,087,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,893.80 : 1,754,779.37 = 788,282.49 : x
  2. Step 2: Convert to fraction form
    1,271,893.80/1,754,779.37 = 788,282.49/x
  3. Step 3: Cross multiply
    1,271,893.80x = 1,754,779.37 × 788,282.49
  4. Step 4: Simplify right side
    1,271,893.80x = 1,383,261,847,242.82
  5. Step 5: Solve for x
    x = 1,383,261,847,242.82/1,271,893.80
  6. Step 6: Final answer
    x = 1,087,560.81

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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.