Home / 1,052,251.80-1,578,492.90-1,019,074.20

Finding the Fourth Proportional to 1,052,251.80, 1,578,492.90 and 1,019,074.20

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Solution

The fourth proportional to 1,052,251.80, 1,578,492.90 and 1,019,074.20 is: 1,528,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,251.80 : 1,578,492.90 = 1,019,074.20 : x
  2. Step 2: Convert to fraction form
    1,052,251.80/1,578,492.90 = 1,019,074.20/x
  3. Step 3: Cross multiply
    1,052,251.80x = 1,578,492.90 × 1,019,074.20
  4. Step 4: Simplify right side
    1,052,251.80x = 1,608,601,389,273.18
  5. Step 5: Solve for x
    x = 1,608,601,389,273.18/1,052,251.80
  6. Step 6: Final answer
    x = 1,528,722.87

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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.