Home / 1,178,980.32-1,768,814.94-380,244.18

Finding the Fourth Proportional to 1,178,980.32, 1,768,814.94 and 380,244.18

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Solution

The fourth proportional to 1,178,980.32, 1,768,814.94 and 380,244.18 is: 570,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,980.32 : 1,768,814.94 = 380,244.18 : x
  2. Step 2: Convert to fraction form
    1,178,980.32/1,768,814.94 = 380,244.18/x
  3. Step 3: Cross multiply
    1,178,980.32x = 1,768,814.94 × 380,244.18
  4. Step 4: Simplify right side
    1,178,980.32x = 672,581,586,432.05
  5. Step 5: Solve for x
    x = 672,581,586,432.05/1,178,980.32
  6. Step 6: Final answer
    x = 570,477.37

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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.