Home / 1,555,066.36-2,145,982.02-876,221.56

Finding the Fourth Proportional to 1,555,066.36, 2,145,982.02 and 876,221.56

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Solution

The fourth proportional to 1,555,066.36, 2,145,982.02 and 876,221.56 is: 1,209,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,066.36 : 2,145,982.02 = 876,221.56 : x
  2. Step 2: Convert to fraction form
    1,555,066.36/2,145,982.02 = 876,221.56/x
  3. Step 3: Cross multiply
    1,555,066.36x = 2,145,982.02 × 876,221.56
  4. Step 4: Simplify right side
    1,555,066.36x = 1,880,355,713,296.35
  5. Step 5: Solve for x
    x = 1,880,355,713,296.35/1,555,066.36
  6. Step 6: Final answer
    x = 1,209,180.37

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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.