Home / 1,212,107.04-1,672,718.58-668,262.15

Finding the Fourth Proportional to 1,212,107.04, 1,672,718.58 and 668,262.15

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Solution

The fourth proportional to 1,212,107.04, 1,672,718.58 and 668,262.15 is: 922,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,107.04 : 1,672,718.58 = 668,262.15 : x
  2. Step 2: Convert to fraction form
    1,212,107.04/1,672,718.58 = 668,262.15/x
  3. Step 3: Cross multiply
    1,212,107.04x = 1,672,718.58 × 668,262.15
  4. Step 4: Simplify right side
    1,212,107.04x = 1,117,814,514,615.75
  5. Step 5: Solve for x
    x = 1,117,814,514,615.75/1,212,107.04
  6. Step 6: Final answer
    x = 922,207.76

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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.