Home / 1,368,048.18-1,888,094.03-787,259.37

Finding the Fourth Proportional to 1,368,048.18, 1,888,094.03 and 787,259.37

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Solution

The fourth proportional to 1,368,048.18, 1,888,094.03 and 787,259.37 is: 1,086,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,048.18 : 1,888,094.03 = 787,259.37 : x
  2. Step 2: Convert to fraction form
    1,368,048.18/1,888,094.03 = 787,259.37/x
  3. Step 3: Cross multiply
    1,368,048.18x = 1,888,094.03 × 787,259.37
  4. Step 4: Simplify right side
    1,368,048.18x = 1,486,419,716,558.56
  5. Step 5: Solve for x
    x = 1,486,419,716,558.56/1,368,048.18
  6. Step 6: Final answer
    x = 1,086,525.85

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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.