Home / 1,215,331.00-1,677,332.48-725,321.32

Finding the Fourth Proportional to 1,215,331.00, 1,677,332.48 and 725,321.32

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Solution

The fourth proportional to 1,215,331.00, 1,677,332.48 and 725,321.32 is: 1,001,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,331.00 : 1,677,332.48 = 725,321.32 : x
  2. Step 2: Convert to fraction form
    1,215,331.00/1,677,332.48 = 725,321.32/x
  3. Step 3: Cross multiply
    1,215,331.00x = 1,677,332.48 × 725,321.32
  4. Step 4: Simplify right side
    1,215,331.00x = 1,216,605,000,652.54
  5. Step 5: Solve for x
    x = 1,216,605,000,652.54/1,215,331.00
  6. Step 6: Final answer
    x = 1,001,048.28

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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.