Home / 1,526,128.40-2,290,229.40-852,208.40

Finding the Fourth Proportional to 1,526,128.40, 2,290,229.40 and 852,208.40

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Solution

The fourth proportional to 1,526,128.40, 2,290,229.40 and 852,208.40 is: 1,278,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,128.40 : 2,290,229.40 = 852,208.40 : x
  2. Step 2: Convert to fraction form
    1,526,128.40/2,290,229.40 = 852,208.40/x
  3. Step 3: Cross multiply
    1,526,128.40x = 2,290,229.40 × 852,208.40
  4. Step 4: Simplify right side
    1,526,128.40x = 1,951,752,732,606.96
  5. Step 5: Solve for x
    x = 1,951,752,732,606.96/1,526,128.40
  6. Step 6: Final answer
    x = 1,278,891.56

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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.