Home / 1,147,021.60-1,582,848.32-630,771.12

Finding the Fourth Proportional to 1,147,021.60, 1,582,848.32 and 630,771.12

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Solution

The fourth proportional to 1,147,021.60, 1,582,848.32 and 630,771.12 is: 870,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,021.60 : 1,582,848.32 = 630,771.12 : x
  2. Step 2: Convert to fraction form
    1,147,021.60/1,582,848.32 = 630,771.12/x
  3. Step 3: Cross multiply
    1,147,021.60x = 1,582,848.32 × 630,771.12
  4. Step 4: Simplify right side
    1,147,021.60x = 998,415,007,596.52
  5. Step 5: Solve for x
    x = 998,415,007,596.52/1,147,021.60
  6. Step 6: Final answer
    x = 870,441.33

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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.