Home / 1,672,839.64-2,509,261.28-458,426.64

Finding the Fourth Proportional to 1,672,839.64, 2,509,261.28 and 458,426.64

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Solution

The fourth proportional to 1,672,839.64, 2,509,261.28 and 458,426.64 is: 687,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,839.64 : 2,509,261.28 = 458,426.64 : x
  2. Step 2: Convert to fraction form
    1,672,839.64/2,509,261.28 = 458,426.64/x
  3. Step 3: Cross multiply
    1,672,839.64x = 2,509,261.28 × 458,426.64
  4. Step 4: Simplify right side
    1,672,839.64x = 1,150,312,214,773.25
  5. Step 5: Solve for x
    x = 1,150,312,214,773.25/1,672,839.64
  6. Step 6: Final answer
    x = 687,640.46

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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.