Home / 950,077.37-1,421,540.56-666,321.81

Finding the Fourth Proportional to 950,077.37, 1,421,540.56 and 666,321.81

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Solution

The fourth proportional to 950,077.37, 1,421,540.56 and 666,321.81 is: 996,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,077.37 : 1,421,540.56 = 666,321.81 : x
  2. Step 2: Convert to fraction form
    950,077.37/1,421,540.56 = 666,321.81/x
  3. Step 3: Cross multiply
    950,077.37x = 1,421,540.56 × 666,321.81
  4. Step 4: Simplify right side
    950,077.37x = 947,203,478,927.61
  5. Step 5: Solve for x
    x = 947,203,478,927.61/950,077.37
  6. Step 6: Final answer
    x = 996,975.10

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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.