Home / 1,271,729.48-1,909,212.92-824,322.54

Finding the Fourth Proportional to 1,271,729.48, 1,909,212.92 and 824,322.54

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Solution

The fourth proportional to 1,271,729.48, 1,909,212.92 and 824,322.54 is: 1,237,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,729.48 : 1,909,212.92 = 824,322.54 : x
  2. Step 2: Convert to fraction form
    1,271,729.48/1,909,212.92 = 824,322.54/x
  3. Step 3: Cross multiply
    1,271,729.48x = 1,909,212.92 × 824,322.54
  4. Step 4: Simplify right side
    1,271,729.48x = 1,573,807,239,493.60
  5. Step 5: Solve for x
    x = 1,573,807,239,493.60/1,271,729.48
  6. Step 6: Final answer
    x = 1,237,533.03

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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.