Home / 837,821.64-1,247,257.05-832,840.14

Finding the Fourth Proportional to 837,821.64, 1,247,257.05 and 832,840.14

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Solution

The fourth proportional to 837,821.64, 1,247,257.05 and 832,840.14 is: 1,239,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,821.64 : 1,247,257.05 = 832,840.14 : x
  2. Step 2: Convert to fraction form
    837,821.64/1,247,257.05 = 832,840.14/x
  3. Step 3: Cross multiply
    837,821.64x = 1,247,257.05 × 832,840.14
  4. Step 4: Simplify right side
    837,821.64x = 1,038,765,736,137.99
  5. Step 5: Solve for x
    x = 1,038,765,736,137.99/837,821.64
  6. Step 6: Final answer
    x = 1,239,841.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.