Home / 1,743,932.20-2,406,346.50-979,983.40

Finding the Fourth Proportional to 1,743,932.20, 2,406,346.50 and 979,983.40

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Solution

The fourth proportional to 1,743,932.20, 2,406,346.50 and 979,983.40 is: 1,352,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,932.20 : 2,406,346.50 = 979,983.40 : x
  2. Step 2: Convert to fraction form
    1,743,932.20/2,406,346.50 = 979,983.40/x
  3. Step 3: Cross multiply
    1,743,932.20x = 2,406,346.50 × 979,983.40
  4. Step 4: Simplify right side
    1,743,932.20x = 2,358,179,624,648.10
  5. Step 5: Solve for x
    x = 2,358,179,624,648.10/1,743,932.20
  6. Step 6: Final answer
    x = 1,352,219.79

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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.