Home / 1,015,009.64-1,400,659.74-579,409.67

Finding the Fourth Proportional to 1,015,009.64, 1,400,659.74 and 579,409.67

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Solution

The fourth proportional to 1,015,009.64, 1,400,659.74 and 579,409.67 is: 799,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,009.64 : 1,400,659.74 = 579,409.67 : x
  2. Step 2: Convert to fraction form
    1,015,009.64/1,400,659.74 = 579,409.67/x
  3. Step 3: Cross multiply
    1,015,009.64x = 1,400,659.74 × 579,409.67
  4. Step 4: Simplify right side
    1,015,009.64x = 811,555,801,237.34
  5. Step 5: Solve for x
    x = 811,555,801,237.34/1,015,009.64
  6. Step 6: Final answer
    x = 799,554.78

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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.