Home / 1,360,117.05-2,040,175.58-818,907.45

Finding the Fourth Proportional to 1,360,117.05, 2,040,175.58 and 818,907.45

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Solution

The fourth proportional to 1,360,117.05, 2,040,175.58 and 818,907.45 is: 1,228,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,117.05 : 2,040,175.58 = 818,907.45 : x
  2. Step 2: Convert to fraction form
    1,360,117.05/2,040,175.58 = 818,907.45/x
  3. Step 3: Cross multiply
    1,360,117.05x = 2,040,175.58 × 818,907.45
  4. Step 4: Simplify right side
    1,360,117.05x = 1,670,714,977,675.53
  5. Step 5: Solve for x
    x = 1,670,714,977,675.53/1,360,117.05
  6. Step 6: Final answer
    x = 1,228,361.18

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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.