Home / 1,312,657.22-1,811,456.19-731,873.45

Finding the Fourth Proportional to 1,312,657.22, 1,811,456.19 and 731,873.45

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Solution

The fourth proportional to 1,312,657.22, 1,811,456.19 and 731,873.45 is: 1,009,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,657.22 : 1,811,456.19 = 731,873.45 : x
  2. Step 2: Convert to fraction form
    1,312,657.22/1,811,456.19 = 731,873.45/x
  3. Step 3: Cross multiply
    1,312,657.22x = 1,811,456.19 × 731,873.45
  4. Step 4: Simplify right side
    1,312,657.22x = 1,325,756,682,241.87
  5. Step 5: Solve for x
    x = 1,325,756,682,241.87/1,312,657.22
  6. Step 6: Final answer
    x = 1,009,979.35

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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.