Home / 1,567,874.40-2,351,228.40-621,049.20

Finding the Fourth Proportional to 1,567,874.40, 2,351,228.40 and 621,049.20

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Solution

The fourth proportional to 1,567,874.40, 2,351,228.40 and 621,049.20 is: 931,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,874.40 : 2,351,228.40 = 621,049.20 : x
  2. Step 2: Convert to fraction form
    1,567,874.40/2,351,228.40 = 621,049.20/x
  3. Step 3: Cross multiply
    1,567,874.40x = 2,351,228.40 × 621,049.20
  4. Step 4: Simplify right side
    1,567,874.40x = 1,460,228,516,837.28
  5. Step 5: Solve for x
    x = 1,460,228,516,837.28/1,567,874.40
  6. Step 6: Final answer
    x = 931,342.79

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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.