Home / 1,697,119.05-2,542,878.91-978,064.70

Finding the Fourth Proportional to 1,697,119.05, 2,542,878.91 and 978,064.70

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Solution

The fourth proportional to 1,697,119.05, 2,542,878.91 and 978,064.70 is: 1,465,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,119.05 : 2,542,878.91 = 978,064.70 : x
  2. Step 2: Convert to fraction form
    1,697,119.05/2,542,878.91 = 978,064.70/x
  3. Step 3: Cross multiply
    1,697,119.05x = 2,542,878.91 × 978,064.70
  4. Step 4: Simplify right side
    1,697,119.05x = 2,487,100,086,753.66
  5. Step 5: Solve for x
    x = 2,487,100,086,753.66/1,697,119.05
  6. Step 6: Final answer
    x = 1,465,483.57

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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.