Home / 1,051,825.41-1,576,852.38-420,394.77

Finding the Fourth Proportional to 1,051,825.41, 1,576,852.38 and 420,394.77

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Solution

The fourth proportional to 1,051,825.41, 1,576,852.38 and 420,394.77 is: 630,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,825.41 : 1,576,852.38 = 420,394.77 : x
  2. Step 2: Convert to fraction form
    1,051,825.41/1,576,852.38 = 420,394.77/x
  3. Step 3: Cross multiply
    1,051,825.41x = 1,576,852.38 × 420,394.77
  4. Step 4: Simplify right side
    1,051,825.41x = 662,900,493,614.05
  5. Step 5: Solve for x
    x = 662,900,493,614.05/1,051,825.41
  6. Step 6: Final answer
    x = 630,238.14

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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.