Home / 1,172,455.10-1,757,463.32-453,290.73

Finding the Fourth Proportional to 1,172,455.10, 1,757,463.32 and 453,290.73

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Solution

The fourth proportional to 1,172,455.10, 1,757,463.32 and 453,290.73 is: 679,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,455.10 : 1,757,463.32 = 453,290.73 : x
  2. Step 2: Convert to fraction form
    1,172,455.10/1,757,463.32 = 453,290.73/x
  3. Step 3: Cross multiply
    1,172,455.10x = 1,757,463.32 × 453,290.73
  4. Step 4: Simplify right side
    1,172,455.10x = 796,641,834,424.61
  5. Step 5: Solve for x
    x = 796,641,834,424.61/1,172,455.10
  6. Step 6: Final answer
    x = 679,464.69

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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.