Home / 1,090,207.40-1,632,200.70-965,791.40

Finding the Fourth Proportional to 1,090,207.40, 1,632,200.70 and 965,791.40

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Solution

The fourth proportional to 1,090,207.40, 1,632,200.70 and 965,791.40 is: 1,445,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,207.40 : 1,632,200.70 = 965,791.40 : x
  2. Step 2: Convert to fraction form
    1,090,207.40/1,632,200.70 = 965,791.40/x
  3. Step 3: Cross multiply
    1,090,207.40x = 1,632,200.70 × 965,791.40
  4. Step 4: Simplify right side
    1,090,207.40x = 1,576,365,399,133.98
  5. Step 5: Solve for x
    x = 1,576,365,399,133.98/1,090,207.40
  6. Step 6: Final answer
    x = 1,445,931.66

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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.