Home / 1,642,212.74-2,463,319.27-489,477.16

Finding the Fourth Proportional to 1,642,212.74, 2,463,319.27 and 489,477.16

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Solution

The fourth proportional to 1,642,212.74, 2,463,319.27 and 489,477.16 is: 734,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,212.74 : 2,463,319.27 = 489,477.16 : x
  2. Step 2: Convert to fraction form
    1,642,212.74/2,463,319.27 = 489,477.16/x
  3. Step 3: Cross multiply
    1,642,212.74x = 2,463,319.27 × 489,477.16
  4. Step 4: Simplify right side
    1,642,212.74x = 1,205,738,528,318.65
  5. Step 5: Solve for x
    x = 1,205,738,528,318.65/1,642,212.74
  6. Step 6: Final answer
    x = 734,215.79

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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.