Home / 1,052,104.33-1,578,025.27-421,023.61

Finding the Fourth Proportional to 1,052,104.33, 1,578,025.27 and 421,023.61

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Solution

The fourth proportional to 1,052,104.33, 1,578,025.27 and 421,023.61 is: 631,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,104.33 : 1,578,025.27 = 421,023.61 : x
  2. Step 2: Convert to fraction form
    1,052,104.33/1,578,025.27 = 421,023.61/x
  3. Step 3: Cross multiply
    1,052,104.33x = 1,578,025.27 × 421,023.61
  4. Step 4: Simplify right side
    1,052,104.33x = 664,385,895,846.63
  5. Step 5: Solve for x
    x = 664,385,895,846.63/1,052,104.33
  6. Step 6: Final answer
    x = 631,482.90

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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.