Home / 1,238,100.16-1,857,675.12-676,478.56

Finding the Fourth Proportional to 1,238,100.16, 1,857,675.12 and 676,478.56

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Solution

The fourth proportional to 1,238,100.16, 1,857,675.12 and 676,478.56 is: 1,015,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,100.16 : 1,857,675.12 = 676,478.56 : x
  2. Step 2: Convert to fraction form
    1,238,100.16/1,857,675.12 = 676,478.56/x
  3. Step 3: Cross multiply
    1,238,100.16x = 1,857,675.12 × 676,478.56
  4. Step 4: Simplify right side
    1,238,100.16x = 1,256,677,390,125.43
  5. Step 5: Solve for x
    x = 1,256,677,390,125.43/1,238,100.16
  6. Step 6: Final answer
    x = 1,015,004.63

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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.