Home / 1,343,684.32-1,854,284.38-740,072.32

Finding the Fourth Proportional to 1,343,684.32, 1,854,284.38 and 740,072.32

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Solution

The fourth proportional to 1,343,684.32, 1,854,284.38 and 740,072.32 is: 1,021,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,684.32 : 1,854,284.38 = 740,072.32 : x
  2. Step 2: Convert to fraction form
    1,343,684.32/1,854,284.38 = 740,072.32/x
  3. Step 3: Cross multiply
    1,343,684.32x = 1,854,284.38 × 740,072.32
  4. Step 4: Simplify right side
    1,343,684.32x = 1,372,304,543,046.36
  5. Step 5: Solve for x
    x = 1,372,304,543,046.36/1,343,684.32
  6. Step 6: Final answer
    x = 1,021,299.81

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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.