Home / 1,139,166.24-1,571,986.62-629,835

Finding the Fourth Proportional to 1,139,166.24, 1,571,986.62 and 629,835

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Solution

The fourth proportional to 1,139,166.24, 1,571,986.62 and 629,835 is: 869,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,166.24 : 1,571,986.62 = 629,835 : x
  2. Step 2: Convert to fraction form
    1,139,166.24/1,571,986.62 = 629,835/x
  3. Step 3: Cross multiply
    1,139,166.24x = 1,571,986.62 × 629,835
  4. Step 4: Simplify right side
    1,139,166.24x = 990,092,192,807.70
  5. Step 5: Solve for x
    x = 990,092,192,807.70/1,139,166.24
  6. Step 6: Final answer
    x = 869,137.58

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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.