Home / 1,040,020-1,560,030-252,052

Finding the Fourth Proportional to 1,040,020, 1,560,030 and 252,052

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Solution

The fourth proportional to 1,040,020, 1,560,030 and 252,052 is: 378,078

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,020 : 1,560,030 = 252,052 : x
  2. Step 2: Convert to fraction form
    1,040,020/1,560,030 = 252,052/x
  3. Step 3: Cross multiply
    1,040,020x = 1,560,030 × 252,052
  4. Step 4: Simplify right side
    1,040,020x = 393,208,681,560
  5. Step 5: Solve for x
    x = 393,208,681,560/1,040,020
  6. Step 6: Final answer
    x = 378,078

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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.