Home / 1,250,403.40-1,725,558.38-677,443.56

Finding the Fourth Proportional to 1,250,403.40, 1,725,558.38 and 677,443.56

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Solution

The fourth proportional to 1,250,403.40, 1,725,558.38 and 677,443.56 is: 934,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,403.40 : 1,725,558.38 = 677,443.56 : x
  2. Step 2: Convert to fraction form
    1,250,403.40/1,725,558.38 = 677,443.56/x
  3. Step 3: Cross multiply
    1,250,403.40x = 1,725,558.38 × 677,443.56
  4. Step 4: Simplify right side
    1,250,403.40x = 1,168,968,411,935.03
  5. Step 5: Solve for x
    x = 1,168,968,411,935.03/1,250,403.40
  6. Step 6: Final answer
    x = 934,873.03

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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.