Home / 1,231,739.40-1,846,226.70-521,646.60

Finding the Fourth Proportional to 1,231,739.40, 1,846,226.70 and 521,646.60

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Solution

The fourth proportional to 1,231,739.40, 1,846,226.70 and 521,646.60 is: 781,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,739.40 : 1,846,226.70 = 521,646.60 : x
  2. Step 2: Convert to fraction form
    1,231,739.40/1,846,226.70 = 521,646.60/x
  3. Step 3: Cross multiply
    1,231,739.40x = 1,846,226.70 × 521,646.60
  4. Step 4: Simplify right side
    1,231,739.40x = 963,077,880,884.22
  5. Step 5: Solve for x
    x = 963,077,880,884.22/1,231,739.40
  6. Step 6: Final answer
    x = 781,884.45

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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.