Home / 1,331,258.93-1,998,659.90-700,615.61

Finding the Fourth Proportional to 1,331,258.93, 1,998,659.90 and 700,615.61

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Solution

The fourth proportional to 1,331,258.93, 1,998,659.90 and 700,615.61 is: 1,051,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,258.93 : 1,998,659.90 = 700,615.61 : x
  2. Step 2: Convert to fraction form
    1,331,258.93/1,998,659.90 = 700,615.61/x
  3. Step 3: Cross multiply
    1,331,258.93x = 1,998,659.90 × 700,615.61
  4. Step 4: Simplify right side
    1,331,258.93x = 1,400,292,325,021.04
  5. Step 5: Solve for x
    x = 1,400,292,325,021.04/1,331,258.93
  6. Step 6: Final answer
    x = 1,051,855.72

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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.