Home / 1,422,254.48-1,963,205.40-818,882.96

Finding the Fourth Proportional to 1,422,254.48, 1,963,205.40 and 818,882.96

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Solution

The fourth proportional to 1,422,254.48, 1,963,205.40 and 818,882.96 is: 1,130,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,254.48 : 1,963,205.40 = 818,882.96 : x
  2. Step 2: Convert to fraction form
    1,422,254.48/1,963,205.40 = 818,882.96/x
  3. Step 3: Cross multiply
    1,422,254.48x = 1,963,205.40 × 818,882.96
  4. Step 4: Simplify right side
    1,422,254.48x = 1,607,635,449,039.98
  5. Step 5: Solve for x
    x = 1,607,635,449,039.98/1,422,254.48
  6. Step 6: Final answer
    x = 1,130,343.04

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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.