Home / 1,317,359.62-1,817,956.47-713,747.62

Finding the Fourth Proportional to 1,317,359.62, 1,817,956.47 and 713,747.62

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Solution

The fourth proportional to 1,317,359.62, 1,817,956.47 and 713,747.62 is: 984,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,359.62 : 1,817,956.47 = 713,747.62 : x
  2. Step 2: Convert to fraction form
    1,317,359.62/1,817,956.47 = 713,747.62/x
  3. Step 3: Cross multiply
    1,317,359.62x = 1,817,956.47 × 713,747.62
  4. Step 4: Simplify right side
    1,317,359.62x = 1,297,562,103,726.10
  5. Step 5: Solve for x
    x = 1,297,562,103,726.10/1,317,359.62
  6. Step 6: Final answer
    x = 984,971.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.