Home / 1,051,995.20-1,577,992.80-867,675.20

Finding the Fourth Proportional to 1,051,995.20, 1,577,992.80 and 867,675.20

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Solution

The fourth proportional to 1,051,995.20, 1,577,992.80 and 867,675.20 is: 1,301,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,995.20 : 1,577,992.80 = 867,675.20 : x
  2. Step 2: Convert to fraction form
    1,051,995.20/1,577,992.80 = 867,675.20/x
  3. Step 3: Cross multiply
    1,051,995.20x = 1,577,992.80 × 867,675.20
  4. Step 4: Simplify right side
    1,051,995.20x = 1,369,185,218,338.56
  5. Step 5: Solve for x
    x = 1,369,185,218,338.56/1,051,995.20
  6. Step 6: Final answer
    x = 1,301,512.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.