Home / 1,135,143.07-1,702,665.36-282,196.87

Finding the Fourth Proportional to 1,135,143.07, 1,702,665.36 and 282,196.87

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Solution

The fourth proportional to 1,135,143.07, 1,702,665.36 and 282,196.87 is: 423,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,143.07 : 1,702,665.36 = 282,196.87 : x
  2. Step 2: Convert to fraction form
    1,135,143.07/1,702,665.36 = 282,196.87/x
  3. Step 3: Cross multiply
    1,135,143.07x = 1,702,665.36 × 282,196.87
  4. Step 4: Simplify right side
    1,135,143.07x = 480,486,835,249.42
  5. Step 5: Solve for x
    x = 480,486,835,249.42/1,135,143.07
  6. Step 6: Final answer
    x = 423,283.06

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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.