Home / 1,494,968.49-2,063,027.75-815,909.85

Finding the Fourth Proportional to 1,494,968.49, 2,063,027.75 and 815,909.85

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Solution

The fourth proportional to 1,494,968.49, 2,063,027.75 and 815,909.85 is: 1,125,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,968.49 : 2,063,027.75 = 815,909.85 : x
  2. Step 2: Convert to fraction form
    1,494,968.49/2,063,027.75 = 815,909.85/x
  3. Step 3: Cross multiply
    1,494,968.49x = 2,063,027.75 × 815,909.85
  4. Step 4: Simplify right side
    1,494,968.49x = 1,683,244,657,968.79
  5. Step 5: Solve for x
    x = 1,683,244,657,968.79/1,494,968.49
  6. Step 6: Final answer
    x = 1,125,939.89

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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.