Home / 1,297,374.18-1,790,365.66-708,674.10

Finding the Fourth Proportional to 1,297,374.18, 1,790,365.66 and 708,674.10

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Solution

The fourth proportional to 1,297,374.18, 1,790,365.66 and 708,674.10 is: 977,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,374.18 : 1,790,365.66 = 708,674.10 : x
  2. Step 2: Convert to fraction form
    1,297,374.18/1,790,365.66 = 708,674.10/x
  3. Step 3: Cross multiply
    1,297,374.18x = 1,790,365.66 × 708,674.10
  4. Step 4: Simplify right side
    1,297,374.18x = 1,268,785,772,771.41
  5. Step 5: Solve for x
    x = 1,268,785,772,771.41/1,297,374.18
  6. Step 6: Final answer
    x = 977,964.41

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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.