Home / 1,801,564.32-2,486,120.40-985,764.72

Finding the Fourth Proportional to 1,801,564.32, 2,486,120.40 and 985,764.72

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Solution

The fourth proportional to 1,801,564.32, 2,486,120.40 and 985,764.72 is: 1,360,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,564.32 : 2,486,120.40 = 985,764.72 : x
  2. Step 2: Convert to fraction form
    1,801,564.32/2,486,120.40 = 985,764.72/x
  3. Step 3: Cross multiply
    1,801,564.32x = 2,486,120.40 × 985,764.72
  4. Step 4: Simplify right side
    1,801,564.32x = 2,450,729,779,992.29
  5. Step 5: Solve for x
    x = 2,450,729,779,992.29/1,801,564.32
  6. Step 6: Final answer
    x = 1,360,334.32

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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.