Home / 1,320,579.46-1,822,833.75-776,692

Finding the Fourth Proportional to 1,320,579.46, 1,822,833.75 and 776,692

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Solution

The fourth proportional to 1,320,579.46, 1,822,833.75 and 776,692 is: 1,072,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,579.46 : 1,822,833.75 = 776,692 : x
  2. Step 2: Convert to fraction form
    1,320,579.46/1,822,833.75 = 776,692/x
  3. Step 3: Cross multiply
    1,320,579.46x = 1,822,833.75 × 776,692
  4. Step 4: Simplify right side
    1,320,579.46x = 1,415,780,390,955
  5. Step 5: Solve for x
    x = 1,415,780,390,955/1,320,579.46
  6. Step 6: Final answer
    x = 1,072,090.27

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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.