Home / 1,407,806.68-2,111,668.70-342,833.26

Finding the Fourth Proportional to 1,407,806.68, 2,111,668.70 and 342,833.26

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Solution

The fourth proportional to 1,407,806.68, 2,111,668.70 and 342,833.26 is: 514,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,806.68 : 2,111,668.70 = 342,833.26 : x
  2. Step 2: Convert to fraction form
    1,407,806.68/2,111,668.70 = 342,833.26/x
  3. Step 3: Cross multiply
    1,407,806.68x = 2,111,668.70 × 342,833.26
  4. Step 4: Simplify right side
    1,407,806.68x = 723,950,264,460.96
  5. Step 5: Solve for x
    x = 723,950,264,460.96/1,407,806.68
  6. Step 6: Final answer
    x = 514,239.83

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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.