Home / 1,138,836.93-1,571,533.29-629,506.50

Finding the Fourth Proportional to 1,138,836.93, 1,571,533.29 and 629,506.50

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Solution

The fourth proportional to 1,138,836.93, 1,571,533.29 and 629,506.50 is: 868,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,836.93 : 1,571,533.29 = 629,506.50 : x
  2. Step 2: Convert to fraction form
    1,138,836.93/1,571,533.29 = 629,506.50/x
  3. Step 3: Cross multiply
    1,138,836.93x = 1,571,533.29 × 629,506.50
  4. Step 4: Simplify right side
    1,138,836.93x = 989,290,421,021.39
  5. Step 5: Solve for x
    x = 989,290,421,021.39/1,138,836.93
  6. Step 6: Final answer
    x = 868,684.88

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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.