Home / 1,405,083-2,107,624.50-518,619

Finding the Fourth Proportional to 1,405,083, 2,107,624.50 and 518,619

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Solution

The fourth proportional to 1,405,083, 2,107,624.50 and 518,619 is: 777,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,083 : 2,107,624.50 = 518,619 : x
  2. Step 2: Convert to fraction form
    1,405,083/2,107,624.50 = 518,619/x
  3. Step 3: Cross multiply
    1,405,083x = 2,107,624.50 × 518,619
  4. Step 4: Simplify right side
    1,405,083x = 1,093,054,110,565.50
  5. Step 5: Solve for x
    x = 1,093,054,110,565.50/1,405,083
  6. Step 6: Final answer
    x = 777,928.50

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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.