Home / 1,317,279.92-1,817,848.08-713,667.92

Finding the Fourth Proportional to 1,317,279.92, 1,817,848.08 and 713,667.92

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Solution

The fourth proportional to 1,317,279.92, 1,817,848.08 and 713,667.92 is: 984,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,279.92 : 1,817,848.08 = 713,667.92 : x
  2. Step 2: Convert to fraction form
    1,317,279.92/1,817,848.08 = 713,667.92/x
  3. Step 3: Cross multiply
    1,317,279.92x = 1,817,848.08 × 713,667.92
  4. Step 4: Simplify right side
    1,317,279.92x = 1,297,339,858,129.59
  5. Step 5: Solve for x
    x = 1,297,339,858,129.59/1,317,279.92
  6. Step 6: Final answer
    x = 984,862.70

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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.