Home / 1,252,585.20-1,728,653.04-708,720.96

Finding the Fourth Proportional to 1,252,585.20, 1,728,653.04 and 708,720.96

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Solution

The fourth proportional to 1,252,585.20, 1,728,653.04 and 708,720.96 is: 978,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,585.20 : 1,728,653.04 = 708,720.96 : x
  2. Step 2: Convert to fraction form
    1,252,585.20/1,728,653.04 = 708,720.96/x
  3. Step 3: Cross multiply
    1,252,585.20x = 1,728,653.04 × 708,720.96
  4. Step 4: Simplify right side
    1,252,585.20x = 1,225,132,642,015.72
  5. Step 5: Solve for x
    x = 1,225,132,642,015.72/1,252,585.20
  6. Step 6: Final answer
    x = 978,083.28

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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.