Home / 1,431,489.93-2,147,235.30-672,774.27

Finding the Fourth Proportional to 1,431,489.93, 2,147,235.30 and 672,774.27

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Solution

The fourth proportional to 1,431,489.93, 2,147,235.30 and 672,774.27 is: 1,009,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,489.93 : 2,147,235.30 = 672,774.27 : x
  2. Step 2: Convert to fraction form
    1,431,489.93/2,147,235.30 = 672,774.27/x
  3. Step 3: Cross multiply
    1,431,489.93x = 2,147,235.30 × 672,774.27
  4. Step 4: Simplify right side
    1,431,489.93x = 1,444,604,661,475.73
  5. Step 5: Solve for x
    x = 1,444,604,661,475.73/1,431,489.93
  6. Step 6: Final answer
    x = 1,009,161.60

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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.