Home / 1,320,468.35-1,822,253.90-776,627.06

Finding the Fourth Proportional to 1,320,468.35, 1,822,253.90 and 776,627.06

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Solution

The fourth proportional to 1,320,468.35, 1,822,253.90 and 776,627.06 is: 1,071,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,468.35 : 1,822,253.90 = 776,627.06 : x
  2. Step 2: Convert to fraction form
    1,320,468.35/1,822,253.90 = 776,627.06/x
  3. Step 3: Cross multiply
    1,320,468.35x = 1,822,253.90 × 776,627.06
  4. Step 4: Simplify right side
    1,320,468.35x = 1,415,211,675,936.13
  5. Step 5: Solve for x
    x = 1,415,211,675,936.13/1,320,468.35
  6. Step 6: Final answer
    x = 1,071,749.79

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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.