Home / 1,213,890.42-1,674,918.72-697,544.58

Finding the Fourth Proportional to 1,213,890.42, 1,674,918.72 and 697,544.58

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Solution

The fourth proportional to 1,213,890.42, 1,674,918.72 and 697,544.58 is: 962,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,890.42 : 1,674,918.72 = 697,544.58 : x
  2. Step 2: Convert to fraction form
    1,213,890.42/1,674,918.72 = 697,544.58/x
  3. Step 3: Cross multiply
    1,213,890.42x = 1,674,918.72 × 697,544.58
  4. Step 4: Simplify right side
    1,213,890.42x = 1,168,330,475,076.54
  5. Step 5: Solve for x
    x = 1,168,330,475,076.54/1,213,890.42
  6. Step 6: Final answer
    x = 962,467.83

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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.