Home / 1,519,701.48-2,279,554.88-621,142.43

Finding the Fourth Proportional to 1,519,701.48, 2,279,554.88 and 621,142.43

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Solution

The fourth proportional to 1,519,701.48, 2,279,554.88 and 621,142.43 is: 931,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,701.48 : 2,279,554.88 = 621,142.43 : x
  2. Step 2: Convert to fraction form
    1,519,701.48/2,279,554.88 = 621,142.43/x
  3. Step 3: Cross multiply
    1,519,701.48x = 2,279,554.88 × 621,142.43
  4. Step 4: Simplify right side
    1,519,701.48x = 1,415,928,242,978.07
  5. Step 5: Solve for x
    x = 1,415,928,242,978.07/1,519,701.48
  6. Step 6: Final answer
    x = 931,714.72

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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.