Home / 1,015,745.94-1,401,745.10-556,904.43

Finding the Fourth Proportional to 1,015,745.94, 1,401,745.10 and 556,904.43

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Solution

The fourth proportional to 1,015,745.94, 1,401,745.10 and 556,904.43 is: 768,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,745.94 : 1,401,745.10 = 556,904.43 : x
  2. Step 2: Convert to fraction form
    1,015,745.94/1,401,745.10 = 556,904.43/x
  3. Step 3: Cross multiply
    1,015,745.94x = 1,401,745.10 × 556,904.43
  4. Step 4: Simplify right side
    1,015,745.94x = 780,638,053,136.27
  5. Step 5: Solve for x
    x = 780,638,053,136.27/1,015,745.94
  6. Step 6: Final answer
    x = 768,536.72

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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.