Home / 1,191,640.64-1,644,063.84-675,354.02

Finding the Fourth Proportional to 1,191,640.64, 1,644,063.84 and 675,354.02

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Solution

The fourth proportional to 1,191,640.64, 1,644,063.84 and 675,354.02 is: 931,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,640.64 : 1,644,063.84 = 675,354.02 : x
  2. Step 2: Convert to fraction form
    1,191,640.64/1,644,063.84 = 675,354.02/x
  3. Step 3: Cross multiply
    1,191,640.64x = 1,644,063.84 × 675,354.02
  4. Step 4: Simplify right side
    1,191,640.64x = 1,110,325,115,260.32
  5. Step 5: Solve for x
    x = 1,110,325,115,260.32/1,191,640.64
  6. Step 6: Final answer
    x = 931,761.71

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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.