Home / 1,243,667.07-1,862,511.12-709,568.85

Finding the Fourth Proportional to 1,243,667.07, 1,862,511.12 and 709,568.85

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Solution

The fourth proportional to 1,243,667.07, 1,862,511.12 and 709,568.85 is: 1,062,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,667.07 : 1,862,511.12 = 709,568.85 : x
  2. Step 2: Convert to fraction form
    1,243,667.07/1,862,511.12 = 709,568.85/x
  3. Step 3: Cross multiply
    1,243,667.07x = 1,862,511.12 × 709,568.85
  4. Step 4: Simplify right side
    1,243,667.07x = 1,321,579,873,530.61
  5. Step 5: Solve for x
    x = 1,321,579,873,530.61/1,243,667.07
  6. Step 6: Final answer
    x = 1,062,647.64

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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.