Home / 1,407,805.68-2,111,667.20-342,832.26

Finding the Fourth Proportional to 1,407,805.68, 2,111,667.20 and 342,832.26

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Solution

The fourth proportional to 1,407,805.68, 2,111,667.20 and 342,832.26 is: 514,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,805.68 : 2,111,667.20 = 342,832.26 : x
  2. Step 2: Convert to fraction form
    1,407,805.68/2,111,667.20 = 342,832.26/x
  3. Step 3: Cross multiply
    1,407,805.68x = 2,111,667.20 × 342,832.26
  4. Step 4: Simplify right side
    1,407,805.68x = 723,947,638,543.87
  5. Step 5: Solve for x
    x = 723,947,638,543.87/1,407,805.68
  6. Step 6: Final answer
    x = 514,238.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.