Home / 1,236,745.12-1,855,026.96-395,070.88

Finding the Fourth Proportional to 1,236,745.12, 1,855,026.96 and 395,070.88

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Solution

The fourth proportional to 1,236,745.12, 1,855,026.96 and 395,070.88 is: 592,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,745.12 : 1,855,026.96 = 395,070.88 : x
  2. Step 2: Convert to fraction form
    1,236,745.12/1,855,026.96 = 395,070.88/x
  3. Step 3: Cross multiply
    1,236,745.12x = 1,855,026.96 × 395,070.88
  4. Step 4: Simplify right side
    1,236,745.12x = 732,867,133,510.93
  5. Step 5: Solve for x
    x = 732,867,133,510.93/1,236,745.12
  6. Step 6: Final answer
    x = 592,577.34

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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.