Home / 1,214,840.22-1,676,803.74-698,650.50

Finding the Fourth Proportional to 1,214,840.22, 1,676,803.74 and 698,650.50

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Solution

The fourth proportional to 1,214,840.22, 1,676,803.74 and 698,650.50 is: 964,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,840.22 : 1,676,803.74 = 698,650.50 : x
  2. Step 2: Convert to fraction form
    1,214,840.22/1,676,803.74 = 698,650.50/x
  3. Step 3: Cross multiply
    1,214,840.22x = 1,676,803.74 × 698,650.50
  4. Step 4: Simplify right side
    1,214,840.22x = 1,171,499,771,352.87
  5. Step 5: Solve for x
    x = 1,171,499,771,352.87/1,214,840.22
  6. Step 6: Final answer
    x = 964,324.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.