Home / 1,099,590.96-1,517,433.54-669,871.08

Finding the Fourth Proportional to 1,099,590.96, 1,517,433.54 and 669,871.08

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Solution

The fourth proportional to 1,099,590.96, 1,517,433.54 and 669,871.08 is: 924,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,590.96 : 1,517,433.54 = 669,871.08 : x
  2. Step 2: Convert to fraction form
    1,099,590.96/1,517,433.54 = 669,871.08/x
  3. Step 3: Cross multiply
    1,099,590.96x = 1,517,433.54 × 669,871.08
  4. Step 4: Simplify right side
    1,099,590.96x = 1,016,484,844,268.02
  5. Step 5: Solve for x
    x = 1,016,484,844,268.02/1,099,590.96
  6. Step 6: Final answer
    x = 924,420.88

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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.