Home / 1,009,789.67-1,393,509.66-557,080.67

Finding the Fourth Proportional to 1,009,789.67, 1,393,509.66 and 557,080.67

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Solution

The fourth proportional to 1,009,789.67, 1,393,509.66 and 557,080.67 is: 768,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,789.67 : 1,393,509.66 = 557,080.67 : x
  2. Step 2: Convert to fraction form
    1,009,789.67/1,393,509.66 = 557,080.67/x
  3. Step 3: Cross multiply
    1,009,789.67x = 1,393,509.66 × 557,080.67
  4. Step 4: Simplify right side
    1,009,789.67x = 776,297,295,044.27
  5. Step 5: Solve for x
    x = 776,297,295,044.27/1,009,789.67
  6. Step 6: Final answer
    x = 768,771.28

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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.