Home / 1,055,137.77-1,456,421.21-673,164.26

Finding the Fourth Proportional to 1,055,137.77, 1,456,421.21 and 673,164.26

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Solution

The fourth proportional to 1,055,137.77, 1,456,421.21 and 673,164.26 is: 929,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,137.77 : 1,456,421.21 = 673,164.26 : x
  2. Step 2: Convert to fraction form
    1,055,137.77/1,456,421.21 = 673,164.26/x
  3. Step 3: Cross multiply
    1,055,137.77x = 1,456,421.21 × 673,164.26
  4. Step 4: Simplify right side
    1,055,137.77x = 980,410,695,430.03
  5. Step 5: Solve for x
    x = 980,410,695,430.03/1,055,137.77
  6. Step 6: Final answer
    x = 929,177.90

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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.