Home / 1,147,065.63-1,582,991.21-630,859.45

Finding the Fourth Proportional to 1,147,065.63, 1,582,991.21 and 630,859.45

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Solution

The fourth proportional to 1,147,065.63, 1,582,991.21 and 630,859.45 is: 870,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,065.63 : 1,582,991.21 = 630,859.45 : x
  2. Step 2: Convert to fraction form
    1,147,065.63/1,582,991.21 = 630,859.45/x
  3. Step 3: Cross multiply
    1,147,065.63x = 1,582,991.21 × 630,859.45
  4. Step 4: Simplify right side
    1,147,065.63x = 998,644,964,095.44
  5. Step 5: Solve for x
    x = 998,644,964,095.44/1,147,065.63
  6. Step 6: Final answer
    x = 870,608.39

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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.