Home / 1,474,557.30-2,212,695.71-621,576.72

Finding the Fourth Proportional to 1,474,557.30, 2,212,695.71 and 621,576.72

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Solution

The fourth proportional to 1,474,557.30, 2,212,695.71 and 621,576.72 is: 932,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,557.30 : 2,212,695.71 = 621,576.72 : x
  2. Step 2: Convert to fraction form
    1,474,557.30/2,212,695.71 = 621,576.72/x
  3. Step 3: Cross multiply
    1,474,557.30x = 2,212,695.71 × 621,576.72
  4. Step 4: Simplify right side
    1,474,557.30x = 1,375,360,141,779.87
  5. Step 5: Solve for x
    x = 1,375,360,141,779.87/1,474,557.30
  6. Step 6: Final answer
    x = 932,727.50

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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.