Home / 871,621.47-1,202,980.38-726,196.64

Finding the Fourth Proportional to 871,621.47, 1,202,980.38 and 726,196.64

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Solution

The fourth proportional to 871,621.47, 1,202,980.38 and 726,196.64 is: 1,002,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,621.47 : 1,202,980.38 = 726,196.64 : x
  2. Step 2: Convert to fraction form
    871,621.47/1,202,980.38 = 726,196.64/x
  3. Step 3: Cross multiply
    871,621.47x = 1,202,980.38 × 726,196.64
  4. Step 4: Simplify right side
    871,621.47x = 873,600,303,927.02
  5. Step 5: Solve for x
    x = 873,600,303,927.02/871,621.47
  6. Step 6: Final answer
    x = 1,002,270.29

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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.