Home / 1,040,885.40-1,561,328.10-804,689.40

Finding the Fourth Proportional to 1,040,885.40, 1,561,328.10 and 804,689.40

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Solution

The fourth proportional to 1,040,885.40, 1,561,328.10 and 804,689.40 is: 1,207,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,885.40 : 1,561,328.10 = 804,689.40 : x
  2. Step 2: Convert to fraction form
    1,040,885.40/1,561,328.10 = 804,689.40/x
  3. Step 3: Cross multiply
    1,040,885.40x = 1,561,328.10 × 804,689.40
  4. Step 4: Simplify right side
    1,040,885.40x = 1,256,384,171,992.14
  5. Step 5: Solve for x
    x = 1,256,384,171,992.14/1,040,885.40
  6. Step 6: Final answer
    x = 1,207,034.10

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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.