Home / 1,052,550.42-1,578,738.15-421,498.86

Finding the Fourth Proportional to 1,052,550.42, 1,578,738.15 and 421,498.86

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Solution

The fourth proportional to 1,052,550.42, 1,578,738.15 and 421,498.86 is: 632,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,550.42 : 1,578,738.15 = 421,498.86 : x
  2. Step 2: Convert to fraction form
    1,052,550.42/1,578,738.15 = 421,498.86/x
  3. Step 3: Cross multiply
    1,052,550.42x = 1,578,738.15 × 421,498.86
  4. Step 4: Simplify right side
    1,052,550.42x = 665,436,330,463.51
  5. Step 5: Solve for x
    x = 665,436,330,463.51/1,052,550.42
  6. Step 6: Final answer
    x = 632,213.26

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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.