Home / 1,015,051.20-1,398,515.04-670,274.88

Finding the Fourth Proportional to 1,015,051.20, 1,398,515.04 and 670,274.88

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Solution

The fourth proportional to 1,015,051.20, 1,398,515.04 and 670,274.88 is: 923,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,051.20 : 1,398,515.04 = 670,274.88 : x
  2. Step 2: Convert to fraction form
    1,015,051.20/1,398,515.04 = 670,274.88/x
  3. Step 3: Cross multiply
    1,015,051.20x = 1,398,515.04 × 670,274.88
  4. Step 4: Simplify right side
    1,015,051.20x = 937,389,500,614.20
  5. Step 5: Solve for x
    x = 937,389,500,614.20/1,015,051.20
  6. Step 6: Final answer
    x = 923,489.87

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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.