Home / 1,332,679.02-1,999,016.97-434,119.31

Finding the Fourth Proportional to 1,332,679.02, 1,999,016.97 and 434,119.31

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Solution

The fourth proportional to 1,332,679.02, 1,999,016.97 and 434,119.31 is: 651,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,679.02 : 1,999,016.97 = 434,119.31 : x
  2. Step 2: Convert to fraction form
    1,332,679.02/1,999,016.97 = 434,119.31/x
  3. Step 3: Cross multiply
    1,332,679.02x = 1,999,016.97 × 434,119.31
  4. Step 4: Simplify right side
    1,332,679.02x = 867,811,867,694.69
  5. Step 5: Solve for x
    x = 867,811,867,694.69/1,332,679.02
  6. Step 6: Final answer
    x = 651,178.46

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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.