Home / 1,089,796.12-1,503,895.08-630,930.04

Finding the Fourth Proportional to 1,089,796.12, 1,503,895.08 and 630,930.04

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Solution

The fourth proportional to 1,089,796.12, 1,503,895.08 and 630,930.04 is: 870,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,796.12 : 1,503,895.08 = 630,930.04 : x
  2. Step 2: Convert to fraction form
    1,089,796.12/1,503,895.08 = 630,930.04/x
  3. Step 3: Cross multiply
    1,089,796.12x = 1,503,895.08 × 630,930.04
  4. Step 4: Simplify right side
    1,089,796.12x = 948,852,582,980.20
  5. Step 5: Solve for x
    x = 948,852,582,980.20/1,089,796.12
  6. Step 6: Final answer
    x = 870,669.81

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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.