Home / 1,166,922-1,610,353.92-630,378

Finding the Fourth Proportional to 1,166,922, 1,610,353.92 and 630,378

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Solution

The fourth proportional to 1,166,922, 1,610,353.92 and 630,378 is: 869,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,922 : 1,610,353.92 = 630,378 : x
  2. Step 2: Convert to fraction form
    1,166,922/1,610,353.92 = 630,378/x
  3. Step 3: Cross multiply
    1,166,922x = 1,610,353.92 × 630,378
  4. Step 4: Simplify right side
    1,166,922x = 1,015,131,683,381.76
  5. Step 5: Solve for x
    x = 1,015,131,683,381.76/1,166,922
  6. Step 6: Final answer
    x = 869,922.48

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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.