Home / 1,612,649.51-2,420,468.94-814,491.57

Finding the Fourth Proportional to 1,612,649.51, 2,420,468.94 and 814,491.57

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Solution

The fourth proportional to 1,612,649.51, 2,420,468.94 and 814,491.57 is: 1,222,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,649.51 : 2,420,468.94 = 814,491.57 : x
  2. Step 2: Convert to fraction form
    1,612,649.51/2,420,468.94 = 814,491.57/x
  3. Step 3: Cross multiply
    1,612,649.51x = 2,420,468.94 × 814,491.57
  4. Step 4: Simplify right side
    1,612,649.51x = 1,971,451,547,076.84
  5. Step 5: Solve for x
    x = 1,971,451,547,076.84/1,612,649.51
  6. Step 6: Final answer
    x = 1,222,492.26

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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.