Home / 1,147,022.60-1,582,849.70-630,772.12

Finding the Fourth Proportional to 1,147,022.60, 1,582,849.70 and 630,772.12

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Solution

The fourth proportional to 1,147,022.60, 1,582,849.70 and 630,772.12 is: 870,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,022.60 : 1,582,849.70 = 630,772.12 : x
  2. Step 2: Convert to fraction form
    1,147,022.60/1,582,849.70 = 630,772.12/x
  3. Step 3: Cross multiply
    1,147,022.60x = 1,582,849.70 × 630,772.12
  4. Step 4: Simplify right side
    1,147,022.60x = 998,417,460,910.36
  5. Step 5: Solve for x
    x = 998,417,460,910.36/1,147,022.60
  6. Step 6: Final answer
    x = 870,442.71

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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.