Home / 1,297,045.12-1,948,520.16-938,322.44

Finding the Fourth Proportional to 1,297,045.12, 1,948,520.16 and 938,322.44

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Solution

The fourth proportional to 1,297,045.12, 1,948,520.16 and 938,322.44 is: 1,409,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,045.12 : 1,948,520.16 = 938,322.44 : x
  2. Step 2: Convert to fraction form
    1,297,045.12/1,948,520.16 = 938,322.44/x
  3. Step 3: Cross multiply
    1,297,045.12x = 1,948,520.16 × 938,322.44
  4. Step 4: Simplify right side
    1,297,045.12x = 1,828,340,190,920.39
  5. Step 5: Solve for x
    x = 1,828,340,190,920.39/1,297,045.12
  6. Step 6: Final answer
    x = 1,409,619.58

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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.