Home / 1,147,135.94-1,583,014.13-630,889.30

Finding the Fourth Proportional to 1,147,135.94, 1,583,014.13 and 630,889.30

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Solution

The fourth proportional to 1,147,135.94, 1,583,014.13 and 630,889.30 is: 870,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,135.94 : 1,583,014.13 = 630,889.30 : x
  2. Step 2: Convert to fraction form
    1,147,135.94/1,583,014.13 = 630,889.30/x
  3. Step 3: Cross multiply
    1,147,135.94x = 1,583,014.13 × 630,889.30
  4. Step 4: Simplify right side
    1,147,135.94x = 998,706,673,211.36
  5. Step 5: Solve for x
    x = 998,706,673,211.36/1,147,135.94
  6. Step 6: Final answer
    x = 870,608.83

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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.