Home / 1,412,390.20-2,116,742.10-654,143.80

Finding the Fourth Proportional to 1,412,390.20, 2,116,742.10 and 654,143.80

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Solution

The fourth proportional to 1,412,390.20, 2,116,742.10 and 654,143.80 is: 980,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,390.20 : 2,116,742.10 = 654,143.80 : x
  2. Step 2: Convert to fraction form
    1,412,390.20/2,116,742.10 = 654,143.80/x
  3. Step 3: Cross multiply
    1,412,390.20x = 2,116,742.10 × 654,143.80
  4. Step 4: Simplify right side
    1,412,390.20x = 1,384,653,720,913.98
  5. Step 5: Solve for x
    x = 1,384,653,720,913.98/1,412,390.20
  6. Step 6: Final answer
    x = 980,362.03

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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.