Home / 1,413,642.96-2,120,454.54-572,182.56

Finding the Fourth Proportional to 1,413,642.96, 2,120,454.54 and 572,182.56

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Solution

The fourth proportional to 1,413,642.96, 2,120,454.54 and 572,182.56 is: 858,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,642.96 : 2,120,454.54 = 572,182.56 : x
  2. Step 2: Convert to fraction form
    1,413,642.96/2,120,454.54 = 572,182.56/x
  3. Step 3: Cross multiply
    1,413,642.96x = 2,120,454.54 × 572,182.56
  4. Step 4: Simplify right side
    1,413,642.96x = 1,213,287,107,060.82
  5. Step 5: Solve for x
    x = 1,213,287,107,060.82/1,413,642.96
  6. Step 6: Final answer
    x = 858,269.83

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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.