Home / 1,243,670.10-1,855,805.41-1,109,628.90

Finding the Fourth Proportional to 1,243,670.10, 1,855,805.41 and 1,109,628.90

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Solution

The fourth proportional to 1,243,670.10, 1,855,805.41 and 1,109,628.90 is: 1,655,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,670.10 : 1,855,805.41 = 1,109,628.90 : x
  2. Step 2: Convert to fraction form
    1,243,670.10/1,855,805.41 = 1,109,628.90/x
  3. Step 3: Cross multiply
    1,243,670.10x = 1,855,805.41 × 1,109,628.90
  4. Step 4: Simplify right side
    1,243,670.10x = 2,059,255,315,712.35
  5. Step 5: Solve for x
    x = 2,059,255,315,712.35/1,243,670.10
  6. Step 6: Final answer
    x = 1,655,789.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.