Home / 1,182,212.20-1,773,318.30-683,319.40

Finding the Fourth Proportional to 1,182,212.20, 1,773,318.30 and 683,319.40

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Solution

The fourth proportional to 1,182,212.20, 1,773,318.30 and 683,319.40 is: 1,024,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,212.20 : 1,773,318.30 = 683,319.40 : x
  2. Step 2: Convert to fraction form
    1,182,212.20/1,773,318.30 = 683,319.40/x
  3. Step 3: Cross multiply
    1,182,212.20x = 1,773,318.30 × 683,319.40
  4. Step 4: Simplify right side
    1,182,212.20x = 1,211,742,796,765.02
  5. Step 5: Solve for x
    x = 1,211,742,796,765.02/1,182,212.20
  6. Step 6: Final answer
    x = 1,024,979.10

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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.