Home / 1,424,001.26-1,965,023.15-812,180.12

Finding the Fourth Proportional to 1,424,001.26, 1,965,023.15 and 812,180.12

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Solution

The fourth proportional to 1,424,001.26, 1,965,023.15 and 812,180.12 is: 1,120,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,001.26 : 1,965,023.15 = 812,180.12 : x
  2. Step 2: Convert to fraction form
    1,424,001.26/1,965,023.15 = 812,180.12/x
  3. Step 3: Cross multiply
    1,424,001.26x = 1,965,023.15 × 812,180.12
  4. Step 4: Simplify right side
    1,424,001.26x = 1,595,952,723,883.76
  5. Step 5: Solve for x
    x = 1,595,952,723,883.76/1,424,001.26
  6. Step 6: Final answer
    x = 1,120,752.32

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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.