Home / 1,256,615.46-1,734,074.58-697,775.21

Finding the Fourth Proportional to 1,256,615.46, 1,734,074.58 and 697,775.21

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Solution

The fourth proportional to 1,256,615.46, 1,734,074.58 and 697,775.21 is: 962,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,615.46 : 1,734,074.58 = 697,775.21 : x
  2. Step 2: Convert to fraction form
    1,256,615.46/1,734,074.58 = 697,775.21/x
  3. Step 3: Cross multiply
    1,256,615.46x = 1,734,074.58 × 697,775.21
  4. Step 4: Simplify right side
    1,256,615.46x = 1,209,994,245,544.79
  5. Step 5: Solve for x
    x = 1,209,994,245,544.79/1,256,615.46
  6. Step 6: Final answer
    x = 962,899.38

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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.