Home / 1,786,852.92-2,680,779.60-722,642.28

Finding the Fourth Proportional to 1,786,852.92, 2,680,779.60 and 722,642.28

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Solution

The fourth proportional to 1,786,852.92, 2,680,779.60 and 722,642.28 is: 1,084,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,852.92 : 2,680,779.60 = 722,642.28 : x
  2. Step 2: Convert to fraction form
    1,786,852.92/2,680,779.60 = 722,642.28/x
  3. Step 3: Cross multiply
    1,786,852.92x = 2,680,779.60 × 722,642.28
  4. Step 4: Simplify right side
    1,786,852.92x = 1,937,244,682,321.49
  5. Step 5: Solve for x
    x = 1,937,244,682,321.49/1,786,852.92
  6. Step 6: Final answer
    x = 1,084,165.72

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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.