Home / 1,547,431.22-2,135,608.54-868,370.42

Finding the Fourth Proportional to 1,547,431.22, 2,135,608.54 and 868,370.42

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Solution

The fourth proportional to 1,547,431.22, 2,135,608.54 and 868,370.42 is: 1,198,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,431.22 : 2,135,608.54 = 868,370.42 : x
  2. Step 2: Convert to fraction form
    1,547,431.22/2,135,608.54 = 868,370.42/x
  3. Step 3: Cross multiply
    1,547,431.22x = 2,135,608.54 × 868,370.42
  4. Step 4: Simplify right side
    1,547,431.22x = 1,854,499,284,835.39
  5. Step 5: Solve for x
    x = 1,854,499,284,835.39/1,547,431.22
  6. Step 6: Final answer
    x = 1,198,437.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.