Home / 1,015,396.72-1,401,199.26-607,723.12

Finding the Fourth Proportional to 1,015,396.72, 1,401,199.26 and 607,723.12

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Solution

The fourth proportional to 1,015,396.72, 1,401,199.26 and 607,723.12 is: 838,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,396.72 : 1,401,199.26 = 607,723.12 : x
  2. Step 2: Convert to fraction form
    1,015,396.72/1,401,199.26 = 607,723.12/x
  3. Step 3: Cross multiply
    1,015,396.72x = 1,401,199.26 × 607,723.12
  4. Step 4: Simplify right side
    1,015,396.72x = 851,541,186,028.89
  5. Step 5: Solve for x
    x = 851,541,186,028.89/1,015,396.72
  6. Step 6: Final answer
    x = 838,629.05

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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.