Home / 1,103,275.24-1,522,932.83-828,427.06

Finding the Fourth Proportional to 1,103,275.24, 1,522,932.83 and 828,427.06

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Solution

The fourth proportional to 1,103,275.24, 1,522,932.83 and 828,427.06 is: 1,143,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,275.24 : 1,522,932.83 = 828,427.06 : x
  2. Step 2: Convert to fraction form
    1,103,275.24/1,522,932.83 = 828,427.06/x
  3. Step 3: Cross multiply
    1,103,275.24x = 1,522,932.83 × 828,427.06
  4. Step 4: Simplify right side
    1,103,275.24x = 1,261,638,766,637.50
  5. Step 5: Solve for x
    x = 1,261,638,766,637.50/1,103,275.24
  6. Step 6: Final answer
    x = 1,143,539.46

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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.