Home / 1,331,259.93-1,998,661.40-700,616.61

Finding the Fourth Proportional to 1,331,259.93, 1,998,661.40 and 700,616.61

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Solution

The fourth proportional to 1,331,259.93, 1,998,661.40 and 700,616.61 is: 1,051,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,259.93 : 1,998,661.40 = 700,616.61 : x
  2. Step 2: Convert to fraction form
    1,331,259.93/1,998,661.40 = 700,616.61/x
  3. Step 3: Cross multiply
    1,331,259.93x = 1,998,661.40 × 700,616.61
  4. Step 4: Simplify right side
    1,331,259.93x = 1,400,295,374,605.85
  5. Step 5: Solve for x
    x = 1,400,295,374,605.85/1,331,259.93
  6. Step 6: Final answer
    x = 1,051,857.22

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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.