Home / 1,603,878.26-2,213,318.13-878,690.66

Finding the Fourth Proportional to 1,603,878.26, 2,213,318.13 and 878,690.66

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Solution

The fourth proportional to 1,603,878.26, 2,213,318.13 and 878,690.66 is: 1,212,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,878.26 : 2,213,318.13 = 878,690.66 : x
  2. Step 2: Convert to fraction form
    1,603,878.26/2,213,318.13 = 878,690.66/x
  3. Step 3: Cross multiply
    1,603,878.26x = 2,213,318.13 × 878,690.66
  4. Step 4: Simplify right side
    1,603,878.26x = 1,944,821,968,439.67
  5. Step 5: Solve for x
    x = 1,944,821,968,439.67/1,603,878.26
  6. Step 6: Final answer
    x = 1,212,574.56

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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.