Home / 1,638,639.28-2,458,404.96-501,376.24

Finding the Fourth Proportional to 1,638,639.28, 2,458,404.96 and 501,376.24

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Solution

The fourth proportional to 1,638,639.28, 2,458,404.96 and 501,376.24 is: 752,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,639.28 : 2,458,404.96 = 501,376.24 : x
  2. Step 2: Convert to fraction form
    1,638,639.28/2,458,404.96 = 501,376.24/x
  3. Step 3: Cross multiply
    1,638,639.28x = 2,458,404.96 × 501,376.24
  4. Step 4: Simplify right side
    1,638,639.28x = 1,232,585,835,242.15
  5. Step 5: Solve for x
    x = 1,232,585,835,242.15/1,638,639.28
  6. Step 6: Final answer
    x = 752,200.84

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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.