Home / 1,138,481.32-1,708,017.49-339,762.87

Finding the Fourth Proportional to 1,138,481.32, 1,708,017.49 and 339,762.87

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Solution

The fourth proportional to 1,138,481.32, 1,708,017.49 and 339,762.87 is: 509,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,481.32 : 1,708,017.49 = 339,762.87 : x
  2. Step 2: Convert to fraction form
    1,138,481.32/1,708,017.49 = 339,762.87/x
  3. Step 3: Cross multiply
    1,138,481.32x = 1,708,017.49 × 339,762.87
  4. Step 4: Simplify right side
    1,138,481.32x = 580,320,924,412.60
  5. Step 5: Solve for x
    x = 580,320,924,412.60/1,138,481.32
  6. Step 6: Final answer
    x = 509,732.50

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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.