Home / 945,820.80-1,418,732.82-757,479.06

Finding the Fourth Proportional to 945,820.80, 1,418,732.82 and 757,479.06

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Solution

The fourth proportional to 945,820.80, 1,418,732.82 and 757,479.06 is: 1,136,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,820.80 : 1,418,732.82 = 757,479.06 : x
  2. Step 2: Convert to fraction form
    945,820.80/1,418,732.82 = 757,479.06/x
  3. Step 3: Cross multiply
    945,820.80x = 1,418,732.82 × 757,479.06
  4. Step 4: Simplify right side
    945,820.80x = 1,074,660,402,884.75
  5. Step 5: Solve for x
    x = 1,074,660,402,884.75/945,820.80
  6. Step 6: Final answer
    x = 1,136,219.89

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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.