Home / 1,297,222.94-1,937,317.52-1,105,641.74

Finding the Fourth Proportional to 1,297,222.94, 1,937,317.52 and 1,105,641.74

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Solution

The fourth proportional to 1,297,222.94, 1,937,317.52 and 1,105,641.74 is: 1,651,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,222.94 : 1,937,317.52 = 1,105,641.74 : x
  2. Step 2: Convert to fraction form
    1,297,222.94/1,937,317.52 = 1,105,641.74/x
  3. Step 3: Cross multiply
    1,297,222.94x = 1,937,317.52 × 1,105,641.74
  4. Step 4: Simplify right side
    1,297,222.94x = 2,141,979,113,745.29
  5. Step 5: Solve for x
    x = 2,141,979,113,745.29/1,297,222.94
  6. Step 6: Final answer
    x = 1,651,203.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.