Home / 1,335,990.99-2,003,990.54-325,113.12

Finding the Fourth Proportional to 1,335,990.99, 2,003,990.54 and 325,113.12

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Solution

The fourth proportional to 1,335,990.99, 2,003,990.54 and 325,113.12 is: 487,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,990.99 : 2,003,990.54 = 325,113.12 : x
  2. Step 2: Convert to fraction form
    1,335,990.99/2,003,990.54 = 325,113.12/x
  3. Step 3: Cross multiply
    1,335,990.99x = 2,003,990.54 × 325,113.12
  4. Step 4: Simplify right side
    1,335,990.99x = 651,523,615,284.32
  5. Step 5: Solve for x
    x = 651,523,615,284.32/1,335,990.99
  6. Step 6: Final answer
    x = 487,670.67

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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.