Home / 1,297,374.12-1,790,365.58-708,674.04

Finding the Fourth Proportional to 1,297,374.12, 1,790,365.58 and 708,674.04

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Solution

The fourth proportional to 1,297,374.12, 1,790,365.58 and 708,674.04 is: 977,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,374.12 : 1,790,365.58 = 708,674.04 : x
  2. Step 2: Convert to fraction form
    1,297,374.12/1,790,365.58 = 708,674.04/x
  3. Step 3: Cross multiply
    1,297,374.12x = 1,790,365.58 × 708,674.04
  4. Step 4: Simplify right side
    1,297,374.12x = 1,268,785,608,655.54
  5. Step 5: Solve for x
    x = 1,268,785,608,655.54/1,297,374.12
  6. Step 6: Final answer
    x = 977,964.33

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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.