Home / 1,212,247.74-1,673,618.67-1,077,739.50

Finding the Fourth Proportional to 1,212,247.74, 1,673,618.67 and 1,077,739.50

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Solution

The fourth proportional to 1,212,247.74, 1,673,618.67 and 1,077,739.50 is: 1,487,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,247.74 : 1,673,618.67 = 1,077,739.50 : x
  2. Step 2: Convert to fraction form
    1,212,247.74/1,673,618.67 = 1,077,739.50/x
  3. Step 3: Cross multiply
    1,212,247.74x = 1,673,618.67 × 1,077,739.50
  4. Step 4: Simplify right side
    1,212,247.74x = 1,803,724,948,596.47
  5. Step 5: Solve for x
    x = 1,803,724,948,596.47/1,212,247.74
  6. Step 6: Final answer
    x = 1,487,917.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.