Home / 1,312,654.70-1,811,452.75-731,870.93

Finding the Fourth Proportional to 1,312,654.70, 1,811,452.75 and 731,870.93

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Solution

The fourth proportional to 1,312,654.70, 1,811,452.75 and 731,870.93 is: 1,009,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,654.70 : 1,811,452.75 = 731,870.93 : x
  2. Step 2: Convert to fraction form
    1,312,654.70/1,811,452.75 = 731,870.93/x
  3. Step 3: Cross multiply
    1,312,654.70x = 1,811,452.75 × 731,870.93
  4. Step 4: Simplify right side
    1,312,654.70x = 1,325,749,608,793.56
  5. Step 5: Solve for x
    x = 1,325,749,608,793.56/1,312,654.70
  6. Step 6: Final answer
    x = 1,009,975.90

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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.