Home / 1,021,932.72-1,533,686.40-822,741.12

Finding the Fourth Proportional to 1,021,932.72, 1,533,686.40 and 822,741.12

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Solution

The fourth proportional to 1,021,932.72, 1,533,686.40 and 822,741.12 is: 1,234,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,932.72 : 1,533,686.40 = 822,741.12 : x
  2. Step 2: Convert to fraction form
    1,021,932.72/1,533,686.40 = 822,741.12/x
  3. Step 3: Cross multiply
    1,021,932.72x = 1,533,686.40 × 822,741.12
  4. Step 4: Simplify right side
    1,021,932.72x = 1,261,826,866,464.77
  5. Step 5: Solve for x
    x = 1,261,826,866,464.77/1,021,932.72
  6. Step 6: Final answer
    x = 1,234,745.54

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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.