Home / 1,077,112.77-1,615,664.28-278,326.41

Finding the Fourth Proportional to 1,077,112.77, 1,615,664.28 and 278,326.41

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Solution

The fourth proportional to 1,077,112.77, 1,615,664.28 and 278,326.41 is: 417,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,112.77 : 1,615,664.28 = 278,326.41 : x
  2. Step 2: Convert to fraction form
    1,077,112.77/1,615,664.28 = 278,326.41/x
  3. Step 3: Cross multiply
    1,077,112.77x = 1,615,664.28 × 278,326.41
  4. Step 4: Simplify right side
    1,077,112.77x = 449,682,038,817.64
  5. Step 5: Solve for x
    x = 449,682,038,817.64/1,077,112.77
  6. Step 6: Final answer
    x = 417,488.36

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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.