Home / 1,178,491.24-1,768,512.03-646,385.50

Finding the Fourth Proportional to 1,178,491.24, 1,768,512.03 and 646,385.50

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Solution

The fourth proportional to 1,178,491.24, 1,768,512.03 and 646,385.50 is: 970,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,491.24 : 1,768,512.03 = 646,385.50 : x
  2. Step 2: Convert to fraction form
    1,178,491.24/1,768,512.03 = 646,385.50/x
  3. Step 3: Cross multiply
    1,178,491.24x = 1,768,512.03 × 646,385.50
  4. Step 4: Simplify right side
    1,178,491.24x = 1,143,140,532,767.57
  5. Step 5: Solve for x
    x = 1,143,140,532,767.57/1,178,491.24
  6. Step 6: Final answer
    x = 970,003.42

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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.