Home / 1,345,109.44-1,856,381.52-1,004,987.20

Finding the Fourth Proportional to 1,345,109.44, 1,856,381.52 and 1,004,987.20

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Solution

The fourth proportional to 1,345,109.44, 1,856,381.52 and 1,004,987.20 is: 1,386,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,109.44 : 1,856,381.52 = 1,004,987.20 : x
  2. Step 2: Convert to fraction form
    1,345,109.44/1,856,381.52 = 1,004,987.20/x
  3. Step 3: Cross multiply
    1,345,109.44x = 1,856,381.52 × 1,004,987.20
  4. Step 4: Simplify right side
    1,345,109.44x = 1,865,639,665,916.54
  5. Step 5: Solve for x
    x = 1,865,639,665,916.54/1,345,109.44
  6. Step 6: Final answer
    x = 1,386,979.83

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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.