Home / 1,403,490.90-1,936,816.06-758,909.55

Finding the Fourth Proportional to 1,403,490.90, 1,936,816.06 and 758,909.55

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Solution

The fourth proportional to 1,403,490.90, 1,936,816.06 and 758,909.55 is: 1,047,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,490.90 : 1,936,816.06 = 758,909.55 : x
  2. Step 2: Convert to fraction form
    1,403,490.90/1,936,816.06 = 758,909.55/x
  3. Step 3: Cross multiply
    1,403,490.90x = 1,936,816.06 × 758,909.55
  4. Step 4: Simplify right side
    1,403,490.90x = 1,469,868,204,527.37
  5. Step 5: Solve for x
    x = 1,469,868,204,527.37/1,403,490.90
  6. Step 6: Final answer
    x = 1,047,294.43

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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.