Home / 1,424,498.24-1,965,802.02-812,649.80

Finding the Fourth Proportional to 1,424,498.24, 1,965,802.02 and 812,649.80

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Solution

The fourth proportional to 1,424,498.24, 1,965,802.02 and 812,649.80 is: 1,121,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,498.24 : 1,965,802.02 = 812,649.80 : x
  2. Step 2: Convert to fraction form
    1,424,498.24/1,965,802.02 = 812,649.80/x
  3. Step 3: Cross multiply
    1,424,498.24x = 1,965,802.02 × 812,649.80
  4. Step 4: Simplify right side
    1,424,498.24x = 1,597,508,618,392.60
  5. Step 5: Solve for x
    x = 1,597,508,618,392.60/1,424,498.24
  6. Step 6: Final answer
    x = 1,121,453.56

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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.