Home / 1,089,758.34-1,503,842.97-630,892.35

Finding the Fourth Proportional to 1,089,758.34, 1,503,842.97 and 630,892.35

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Solution

The fourth proportional to 1,089,758.34, 1,503,842.97 and 630,892.35 is: 870,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,758.34 : 1,503,842.97 = 630,892.35 : x
  2. Step 2: Convert to fraction form
    1,089,758.34/1,503,842.97 = 630,892.35/x
  3. Step 3: Cross multiply
    1,089,758.34x = 1,503,842.97 × 630,892.35
  4. Step 4: Simplify right side
    1,089,758.34x = 948,763,025,374.28
  5. Step 5: Solve for x
    x = 948,763,025,374.28/1,089,758.34
  6. Step 6: Final answer
    x = 870,617.82

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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.