Home / 1,405,341.90-1,939,369.64-760,761.92

Finding the Fourth Proportional to 1,405,341.90, 1,939,369.64 and 760,761.92

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Solution

The fourth proportional to 1,405,341.90, 1,939,369.64 and 760,761.92 is: 1,049,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,341.90 : 1,939,369.64 = 760,761.92 : x
  2. Step 2: Convert to fraction form
    1,405,341.90/1,939,369.64 = 760,761.92/x
  3. Step 3: Cross multiply
    1,405,341.90x = 1,939,369.64 × 760,761.92
  4. Step 4: Simplify right side
    1,405,341.90x = 1,475,398,571,960.72
  5. Step 5: Solve for x
    x = 1,475,398,571,960.72/1,405,341.90
  6. Step 6: Final answer
    x = 1,049,850.27

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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.