Home / 1,243,667.10-1,855,800.95-1,109,625.90

Finding the Fourth Proportional to 1,243,667.10, 1,855,800.95 and 1,109,625.90

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Solution

The fourth proportional to 1,243,667.10, 1,855,800.95 and 1,109,625.90 is: 1,655,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,667.10 : 1,855,800.95 = 1,109,625.90 : x
  2. Step 2: Convert to fraction form
    1,243,667.10/1,855,800.95 = 1,109,625.90/x
  3. Step 3: Cross multiply
    1,243,667.10x = 1,855,800.95 × 1,109,625.90
  4. Step 4: Simplify right side
    1,243,667.10x = 2,059,244,793,816.48
  5. Step 5: Solve for x
    x = 2,059,244,793,816.48/1,243,667.10
  6. Step 6: Final answer
    x = 1,655,784.57

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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.