Home / 1,318,832.38-1,977,814.80-465,749.29

Finding the Fourth Proportional to 1,318,832.38, 1,977,814.80 and 465,749.29

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Solution

The fourth proportional to 1,318,832.38, 1,977,814.80 and 465,749.29 is: 698,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,832.38 : 1,977,814.80 = 465,749.29 : x
  2. Step 2: Convert to fraction form
    1,318,832.38/1,977,814.80 = 465,749.29/x
  3. Step 3: Cross multiply
    1,318,832.38x = 1,977,814.80 × 465,749.29
  4. Step 4: Simplify right side
    1,318,832.38x = 921,165,838,851.49
  5. Step 5: Solve for x
    x = 921,165,838,851.49/1,318,832.38
  6. Step 6: Final answer
    x = 698,470.75

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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.