Home / 1,567,554.21-2,163,196.80-879,227.55

Finding the Fourth Proportional to 1,567,554.21, 2,163,196.80 and 879,227.55

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Solution

The fourth proportional to 1,567,554.21, 2,163,196.80 and 879,227.55 is: 1,213,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,554.21 : 2,163,196.80 = 879,227.55 : x
  2. Step 2: Convert to fraction form
    1,567,554.21/2,163,196.80 = 879,227.55/x
  3. Step 3: Cross multiply
    1,567,554.21x = 2,163,196.80 × 879,227.55
  4. Step 4: Simplify right side
    1,567,554.21x = 1,901,942,222,631.84
  5. Step 5: Solve for x
    x = 1,901,942,222,631.84/1,567,554.21
  6. Step 6: Final answer
    x = 1,213,318.31

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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.