Home / 1,150,509.31-1,587,756.90-641,215.33

Finding the Fourth Proportional to 1,150,509.31, 1,587,756.90 and 641,215.33

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Solution

The fourth proportional to 1,150,509.31, 1,587,756.90 and 641,215.33 is: 884,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,509.31 : 1,587,756.90 = 641,215.33 : x
  2. Step 2: Convert to fraction form
    1,150,509.31/1,587,756.90 = 641,215.33/x
  3. Step 3: Cross multiply
    1,150,509.31x = 1,587,756.90 × 641,215.33
  4. Step 4: Simplify right side
    1,150,509.31x = 1,018,094,063,028.44
  5. Step 5: Solve for x
    x = 1,018,094,063,028.44/1,150,509.31
  6. Step 6: Final answer
    x = 884,907.28

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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.