Home / 1,370,821-1,888,352.85-1,166,216.62

Finding the Fourth Proportional to 1,370,821, 1,888,352.85 and 1,166,216.62

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Solution

The fourth proportional to 1,370,821, 1,888,352.85 and 1,166,216.62 is: 1,606,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,821 : 1,888,352.85 = 1,166,216.62 : x
  2. Step 2: Convert to fraction form
    1,370,821/1,888,352.85 = 1,166,216.62/x
  3. Step 3: Cross multiply
    1,370,821x = 1,888,352.85 × 1,166,216.62
  4. Step 4: Simplify right side
    1,370,821x = 2,202,228,478,094.37
  5. Step 5: Solve for x
    x = 2,202,228,478,094.37/1,370,821
  6. Step 6: Final answer
    x = 1,606,503.31

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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.