Home / 1,321,337.20-1,823,735.64-868,670.32

Finding the Fourth Proportional to 1,321,337.20, 1,823,735.64 and 868,670.32

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Solution

The fourth proportional to 1,321,337.20, 1,823,735.64 and 868,670.32 is: 1,198,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,337.20 : 1,823,735.64 = 868,670.32 : x
  2. Step 2: Convert to fraction form
    1,321,337.20/1,823,735.64 = 868,670.32/x
  3. Step 3: Cross multiply
    1,321,337.20x = 1,823,735.64 × 868,670.32
  4. Step 4: Simplify right side
    1,321,337.20x = 1,584,225,021,994.20
  5. Step 5: Solve for x
    x = 1,584,225,021,994.20/1,321,337.20
  6. Step 6: Final answer
    x = 1,198,955.89

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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.