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Finding the Fourth Proportional to 1,292,773, 1,939,369.62 and 382,047.88

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Solution

The fourth proportional to 1,292,773, 1,939,369.62 and 382,047.88 is: 573,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,773 : 1,939,369.62 = 382,047.88 : x
  2. Step 2: Convert to fraction form
    1,292,773/1,939,369.62 = 382,047.88/x
  3. Step 3: Cross multiply
    1,292,773x = 1,939,369.62 × 382,047.88
  4. Step 4: Simplify right side
    1,292,773x = 740,932,051,857.41
  5. Step 5: Solve for x
    x = 740,932,051,857.41/1,292,773
  6. Step 6: Final answer
    x = 573,133.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.