Home / 1,405,381.26-1,939,432.43-760,801.45

Finding the Fourth Proportional to 1,405,381.26, 1,939,432.43 and 760,801.45

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Solution

The fourth proportional to 1,405,381.26, 1,939,432.43 and 760,801.45 is: 1,049,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,381.26 : 1,939,432.43 = 760,801.45 : x
  2. Step 2: Convert to fraction form
    1,405,381.26/1,939,432.43 = 760,801.45/x
  3. Step 3: Cross multiply
    1,405,381.26x = 1,939,432.43 × 760,801.45
  4. Step 4: Simplify right side
    1,405,381.26x = 1,475,523,006,394.31
  5. Step 5: Solve for x
    x = 1,475,523,006,394.31/1,405,381.26
  6. Step 6: Final answer
    x = 1,049,909.41

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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.