Home / 1,324,042.29-1,827,161.30-780,201

Finding the Fourth Proportional to 1,324,042.29, 1,827,161.30 and 780,201

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Solution

The fourth proportional to 1,324,042.29, 1,827,161.30 and 780,201 is: 1,076,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,042.29 : 1,827,161.30 = 780,201 : x
  2. Step 2: Convert to fraction form
    1,324,042.29/1,827,161.30 = 780,201/x
  3. Step 3: Cross multiply
    1,324,042.29x = 1,827,161.30 × 780,201
  4. Step 4: Simplify right side
    1,324,042.29x = 1,425,553,069,520.30
  5. Step 5: Solve for x
    x = 1,425,553,069,520.30/1,324,042.29
  6. Step 6: Final answer
    x = 1,076,667.32

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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.