Home / 1,040,318.10-1,561,643.55-804,705.30

Finding the Fourth Proportional to 1,040,318.10, 1,561,643.55 and 804,705.30

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Solution

The fourth proportional to 1,040,318.10, 1,561,643.55 and 804,705.30 is: 1,207,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,318.10 : 1,561,643.55 = 804,705.30 : x
  2. Step 2: Convert to fraction form
    1,040,318.10/1,561,643.55 = 804,705.30/x
  3. Step 3: Cross multiply
    1,040,318.10x = 1,561,643.55 × 804,705.30
  4. Step 4: Simplify right side
    1,040,318.10x = 1,256,662,841,395.82
  5. Step 5: Solve for x
    x = 1,256,662,841,395.82/1,040,318.10
  6. Step 6: Final answer
    x = 1,207,960.18

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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.