Home / 1,040,492.10-1,560,738.15-978,284.10

Finding the Fourth Proportional to 1,040,492.10, 1,560,738.15 and 978,284.10

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Solution

The fourth proportional to 1,040,492.10, 1,560,738.15 and 978,284.10 is: 1,467,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,492.10 : 1,560,738.15 = 978,284.10 : x
  2. Step 2: Convert to fraction form
    1,040,492.10/1,560,738.15 = 978,284.10/x
  3. Step 3: Cross multiply
    1,040,492.10x = 1,560,738.15 × 978,284.10
  4. Step 4: Simplify right side
    1,040,492.10x = 1,526,845,316,408.41
  5. Step 5: Solve for x
    x = 1,526,845,316,408.41/1,040,492.10
  6. Step 6: Final answer
    x = 1,467,426.15

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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.