Home / 1,297,398.12-1,790,282.52-889,848.24

Finding the Fourth Proportional to 1,297,398.12, 1,790,282.52 and 889,848.24

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Solution

The fourth proportional to 1,297,398.12, 1,790,282.52 and 889,848.24 is: 1,227,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,398.12 : 1,790,282.52 = 889,848.24 : x
  2. Step 2: Convert to fraction form
    1,297,398.12/1,790,282.52 = 889,848.24/x
  3. Step 3: Cross multiply
    1,297,398.12x = 1,790,282.52 × 889,848.24
  4. Step 4: Simplify right side
    1,297,398.12x = 1,593,079,749,524.77
  5. Step 5: Solve for x
    x = 1,593,079,749,524.77/1,297,398.12
  6. Step 6: Final answer
    x = 1,227,903.54

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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.