Home / 1,247,858.96-1,871,995.28-438,033.32

Finding the Fourth Proportional to 1,247,858.96, 1,871,995.28 and 438,033.32

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Solution

The fourth proportional to 1,247,858.96, 1,871,995.28 and 438,033.32 is: 657,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,858.96 : 1,871,995.28 = 438,033.32 : x
  2. Step 2: Convert to fraction form
    1,247,858.96/1,871,995.28 = 438,033.32/x
  3. Step 3: Cross multiply
    1,247,858.96x = 1,871,995.28 × 438,033.32
  4. Step 4: Simplify right side
    1,247,858.96x = 819,996,298,959.55
  5. Step 5: Solve for x
    x = 819,996,298,959.55/1,247,858.96
  6. Step 6: Final answer
    x = 657,122.58

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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.