Home / 1,687,311.36-2,328,485.40-923,358.24

Finding the Fourth Proportional to 1,687,311.36, 2,328,485.40 and 923,358.24

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Solution

The fourth proportional to 1,687,311.36, 2,328,485.40 and 923,358.24 is: 1,274,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,311.36 : 2,328,485.40 = 923,358.24 : x
  2. Step 2: Convert to fraction form
    1,687,311.36/2,328,485.40 = 923,358.24/x
  3. Step 3: Cross multiply
    1,687,311.36x = 2,328,485.40 × 923,358.24
  4. Step 4: Simplify right side
    1,687,311.36x = 2,150,026,180,809.70
  5. Step 5: Solve for x
    x = 2,150,026,180,809.70/1,687,311.36
  6. Step 6: Final answer
    x = 1,274,232.03

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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.