Home / 1,219,379.16-1,682,846.63-675,685.50

Finding the Fourth Proportional to 1,219,379.16, 1,682,846.63 and 675,685.50

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Solution

The fourth proportional to 1,219,379.16, 1,682,846.63 and 675,685.50 is: 932,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,379.16 : 1,682,846.63 = 675,685.50 : x
  2. Step 2: Convert to fraction form
    1,219,379.16/1,682,846.63 = 675,685.50/x
  3. Step 3: Cross multiply
    1,219,379.16x = 1,682,846.63 × 675,685.50
  4. Step 4: Simplify right side
    1,219,379.16x = 1,137,075,066,614.87
  5. Step 5: Solve for x
    x = 1,137,075,066,614.87/1,219,379.16
  6. Step 6: Final answer
    x = 932,503.28

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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.