Home / 1,488,735.90-2,054,396.25-809,672.94

Finding the Fourth Proportional to 1,488,735.90, 2,054,396.25 and 809,672.94

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Solution

The fourth proportional to 1,488,735.90, 2,054,396.25 and 809,672.94 is: 1,117,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,735.90 : 2,054,396.25 = 809,672.94 : x
  2. Step 2: Convert to fraction form
    1,488,735.90/2,054,396.25 = 809,672.94/x
  3. Step 3: Cross multiply
    1,488,735.90x = 2,054,396.25 × 809,672.94
  4. Step 4: Simplify right side
    1,488,735.90x = 1,663,389,051,662.48
  5. Step 5: Solve for x
    x = 1,663,389,051,662.48/1,488,735.90
  6. Step 6: Final answer
    x = 1,117,316.41

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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.