Home / 1,147,676.40-1,584,097.56-808,297.20

Finding the Fourth Proportional to 1,147,676.40, 1,584,097.56 and 808,297.20

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Solution

The fourth proportional to 1,147,676.40, 1,584,097.56 and 808,297.20 is: 1,115,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,676.40 : 1,584,097.56 = 808,297.20 : x
  2. Step 2: Convert to fraction form
    1,147,676.40/1,584,097.56 = 808,297.20/x
  3. Step 3: Cross multiply
    1,147,676.40x = 1,584,097.56 × 808,297.20
  4. Step 4: Simplify right side
    1,147,676.40x = 1,280,421,622,274.83
  5. Step 5: Solve for x
    x = 1,280,421,622,274.83/1,147,676.40
  6. Step 6: Final answer
    x = 1,115,664.33

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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.