Home / 1,552,917.72-2,329,375.86-430,986.36

Finding the Fourth Proportional to 1,552,917.72, 2,329,375.86 and 430,986.36

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Solution

The fourth proportional to 1,552,917.72, 2,329,375.86 and 430,986.36 is: 646,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,917.72 : 2,329,375.86 = 430,986.36 : x
  2. Step 2: Convert to fraction form
    1,552,917.72/2,329,375.86 = 430,986.36/x
  3. Step 3: Cross multiply
    1,552,917.72x = 2,329,375.86 × 430,986.36
  4. Step 4: Simplify right side
    1,552,917.72x = 1,003,929,222,973.27
  5. Step 5: Solve for x
    x = 1,003,929,222,973.27/1,552,917.72
  6. Step 6: Final answer
    x = 646,479.34

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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.