Home / 1,015,745.42-1,401,698.30-556,844.28

Finding the Fourth Proportional to 1,015,745.42, 1,401,698.30 and 556,844.28

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Solution

The fourth proportional to 1,015,745.42, 1,401,698.30 and 556,844.28 is: 768,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,745.42 : 1,401,698.30 = 556,844.28 : x
  2. Step 2: Convert to fraction form
    1,015,745.42/1,401,698.30 = 556,844.28/x
  3. Step 3: Cross multiply
    1,015,745.42x = 1,401,698.30 × 556,844.28
  4. Step 4: Simplify right side
    1,015,745.42x = 780,527,680,640.72
  5. Step 5: Solve for x
    x = 780,527,680,640.72/1,015,745.42
  6. Step 6: Final answer
    x = 768,428.45

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1.5x scale

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.