Home / 1,405,452.69-1,939,524.29-760,872.45

Finding the Fourth Proportional to 1,405,452.69, 1,939,524.29 and 760,872.45

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Solution

The fourth proportional to 1,405,452.69, 1,939,524.29 and 760,872.45 is: 1,050,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,452.69 : 1,939,524.29 = 760,872.45 : x
  2. Step 2: Convert to fraction form
    1,405,452.69/1,939,524.29 = 760,872.45/x
  3. Step 3: Cross multiply
    1,405,452.69x = 1,939,524.29 × 760,872.45
  4. Step 4: Simplify right side
    1,405,452.69x = 1,475,730,594,562.45
  5. Step 5: Solve for x
    x = 1,475,730,594,562.45/1,405,452.69
  6. Step 6: Final answer
    x = 1,050,003.75

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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.