Home / 1,248,768.09-1,872,824.22-538,638.39

Finding the Fourth Proportional to 1,248,768.09, 1,872,824.22 and 538,638.39

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Solution

The fourth proportional to 1,248,768.09, 1,872,824.22 and 538,638.39 is: 807,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,768.09 : 1,872,824.22 = 538,638.39 : x
  2. Step 2: Convert to fraction form
    1,248,768.09/1,872,824.22 = 538,638.39/x
  3. Step 3: Cross multiply
    1,248,768.09x = 1,872,824.22 × 538,638.39
  4. Step 4: Simplify right side
    1,248,768.09x = 1,008,775,022,613.81
  5. Step 5: Solve for x
    x = 1,008,775,022,613.81/1,248,768.09
  6. Step 6: Final answer
    x = 807,816.14

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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.