Home / 1,135,243.50-1,700,938.20-685,018.32

Finding the Fourth Proportional to 1,135,243.50, 1,700,938.20 and 685,018.32

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Solution

The fourth proportional to 1,135,243.50, 1,700,938.20 and 685,018.32 is: 1,026,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,243.50 : 1,700,938.20 = 685,018.32 : x
  2. Step 2: Convert to fraction form
    1,135,243.50/1,700,938.20 = 685,018.32/x
  3. Step 3: Cross multiply
    1,135,243.50x = 1,700,938.20 × 685,018.32
  4. Step 4: Simplify right side
    1,135,243.50x = 1,165,173,828,187.82
  5. Step 5: Solve for x
    x = 1,165,173,828,187.82/1,135,243.50
  6. Step 6: Final answer
    x = 1,026,364.68

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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.