Home / 1,083,894.14-1,496,022.72-721,333.28

Finding the Fourth Proportional to 1,083,894.14, 1,496,022.72 and 721,333.28

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Solution

The fourth proportional to 1,083,894.14, 1,496,022.72 and 721,333.28 is: 995,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,894.14 : 1,496,022.72 = 721,333.28 : x
  2. Step 2: Convert to fraction form
    1,083,894.14/1,496,022.72 = 721,333.28/x
  3. Step 3: Cross multiply
    1,083,894.14x = 1,496,022.72 × 721,333.28
  4. Step 4: Simplify right side
    1,083,894.14x = 1,079,130,975,572.12
  5. Step 5: Solve for x
    x = 1,079,130,975,572.12/1,083,894.14
  6. Step 6: Final answer
    x = 995,605.51

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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.