Home / 1,367,531.80-2,051,297.70-919,634.20

Finding the Fourth Proportional to 1,367,531.80, 2,051,297.70 and 919,634.20

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Solution

The fourth proportional to 1,367,531.80, 2,051,297.70 and 919,634.20 is: 1,379,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,531.80 : 2,051,297.70 = 919,634.20 : x
  2. Step 2: Convert to fraction form
    1,367,531.80/2,051,297.70 = 919,634.20/x
  3. Step 3: Cross multiply
    1,367,531.80x = 2,051,297.70 × 919,634.20
  4. Step 4: Simplify right side
    1,367,531.80x = 1,886,443,519,301.34
  5. Step 5: Solve for x
    x = 1,886,443,519,301.34/1,367,531.80
  6. Step 6: Final answer
    x = 1,379,451.30

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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.