Home / 1,135,238.52-1,700,930.72-685,013.32

Finding the Fourth Proportional to 1,135,238.52, 1,700,930.72 and 685,013.32

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Solution

The fourth proportional to 1,135,238.52, 1,700,930.72 and 685,013.32 is: 1,026,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,238.52 : 1,700,930.72 = 685,013.32 : x
  2. Step 2: Convert to fraction form
    1,135,238.52/1,700,930.72 = 685,013.32/x
  3. Step 3: Cross multiply
    1,135,238.52x = 1,700,930.72 × 685,013.32
  4. Step 4: Simplify right side
    1,135,238.52x = 1,165,160,199,597.19
  5. Step 5: Solve for x
    x = 1,165,160,199,597.19/1,135,238.52
  6. Step 6: Final answer
    x = 1,026,357.17

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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.