Home / 1,343,998.40-1,854,716.97-740,386.40

Finding the Fourth Proportional to 1,343,998.40, 1,854,716.97 and 740,386.40

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Solution

The fourth proportional to 1,343,998.40, 1,854,716.97 and 740,386.40 is: 1,021,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,998.40 : 1,854,716.97 = 740,386.40 : x
  2. Step 2: Convert to fraction form
    1,343,998.40/1,854,716.97 = 740,386.40/x
  3. Step 3: Cross multiply
    1,343,998.40x = 1,854,716.97 × 740,386.40
  4. Step 4: Simplify right side
    1,343,998.40x = 1,373,207,211,163.62
  5. Step 5: Solve for x
    x = 1,373,207,211,163.62/1,343,998.40
  6. Step 6: Final answer
    x = 1,021,732.78

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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.