Home / 1,293,015.29-1,783,443.44-1,098,077.05

Finding the Fourth Proportional to 1,293,015.29, 1,783,443.44 and 1,098,077.05

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Solution

The fourth proportional to 1,293,015.29, 1,783,443.44 and 1,098,077.05 is: 1,514,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,015.29 : 1,783,443.44 = 1,098,077.05 : x
  2. Step 2: Convert to fraction form
    1,293,015.29/1,783,443.44 = 1,098,077.05/x
  3. Step 3: Cross multiply
    1,293,015.29x = 1,783,443.44 × 1,098,077.05
  4. Step 4: Simplify right side
    1,293,015.29x = 1,958,358,297,029.45
  5. Step 5: Solve for x
    x = 1,958,358,297,029.45/1,293,015.29
  6. Step 6: Final answer
    x = 1,514,567.01

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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.