Home / 1,040,402.10-1,558,853.55-685,233.30

Finding the Fourth Proportional to 1,040,402.10, 1,558,853.55 and 685,233.30

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Solution

The fourth proportional to 1,040,402.10, 1,558,853.55 and 685,233.30 is: 1,026,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,402.10 : 1,558,853.55 = 685,233.30 : x
  2. Step 2: Convert to fraction form
    1,040,402.10/1,558,853.55 = 685,233.30/x
  3. Step 3: Cross multiply
    1,040,402.10x = 1,558,853.55 × 685,233.30
  4. Step 4: Simplify right side
    1,040,402.10x = 1,068,178,362,283.22
  5. Step 5: Solve for x
    x = 1,068,178,362,283.22/1,040,402.10
  6. Step 6: Final answer
    x = 1,026,697.62

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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.