Home / 1,209,014.12-1,668,557.23-902,558.35

Finding the Fourth Proportional to 1,209,014.12, 1,668,557.23 and 902,558.35

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Solution

The fourth proportional to 1,209,014.12, 1,668,557.23 and 902,558.35 is: 1,245,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,014.12 : 1,668,557.23 = 902,558.35 : x
  2. Step 2: Convert to fraction form
    1,209,014.12/1,668,557.23 = 902,558.35/x
  3. Step 3: Cross multiply
    1,209,014.12x = 1,668,557.23 × 902,558.35
  4. Step 4: Simplify right side
    1,209,014.12x = 1,505,970,253,961.58
  5. Step 5: Solve for x
    x = 1,505,970,253,961.58/1,209,014.12
  6. Step 6: Final answer
    x = 1,245,618.42

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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.