Home / 1,004,835.40-1,504,920.30-687,574.60

Finding the Fourth Proportional to 1,004,835.40, 1,504,920.30 and 687,574.60

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Solution

The fourth proportional to 1,004,835.40, 1,504,920.30 and 687,574.60 is: 1,029,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,835.40 : 1,504,920.30 = 687,574.60 : x
  2. Step 2: Convert to fraction form
    1,004,835.40/1,504,920.30 = 687,574.60/x
  3. Step 3: Cross multiply
    1,004,835.40x = 1,504,920.30 × 687,574.60
  4. Step 4: Simplify right side
    1,004,835.40x = 1,034,744,973,304.38
  5. Step 5: Solve for x
    x = 1,034,744,973,304.38/1,004,835.40
  6. Step 6: Final answer
    x = 1,029,765.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.