Home / 1,312,662.22-1,811,463.08-731,878.46

Finding the Fourth Proportional to 1,312,662.22, 1,811,463.08 and 731,878.46

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Solution

The fourth proportional to 1,312,662.22, 1,811,463.08 and 731,878.46 is: 1,009,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,662.22 : 1,811,463.08 = 731,878.46 : x
  2. Step 2: Convert to fraction form
    1,312,662.22/1,811,463.08 = 731,878.46/x
  3. Step 3: Cross multiply
    1,312,662.22x = 1,811,463.08 × 731,878.46
  4. Step 4: Simplify right side
    1,312,662.22x = 1,325,770,809,337.26
  5. Step 5: Solve for x
    x = 1,325,770,809,337.26/1,312,662.22
  6. Step 6: Final answer
    x = 1,009,986.26

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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.