Home / 1,178,977.20-1,768,810.25-380,241.06

Finding the Fourth Proportional to 1,178,977.20, 1,768,810.25 and 380,241.06

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Solution

The fourth proportional to 1,178,977.20, 1,768,810.25 and 380,241.06 is: 570,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,977.20 : 1,768,810.25 = 380,241.06 : x
  2. Step 2: Convert to fraction form
    1,178,977.20/1,768,810.25 = 380,241.06/x
  3. Step 3: Cross multiply
    1,178,977.20x = 1,768,810.25 × 380,241.06
  4. Step 4: Simplify right side
    1,178,977.20x = 672,574,273,653.61
  5. Step 5: Solve for x
    x = 672,574,273,653.61/1,178,977.20
  6. Step 6: Final answer
    x = 570,472.67

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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.