Home / 1,092,072.68-1,507,828.74-766,078.76

Finding the Fourth Proportional to 1,092,072.68, 1,507,828.74 and 766,078.76

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Solution

The fourth proportional to 1,092,072.68, 1,507,828.74 and 766,078.76 is: 1,057,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,072.68 : 1,507,828.74 = 766,078.76 : x
  2. Step 2: Convert to fraction form
    1,092,072.68/1,507,828.74 = 766,078.76/x
  3. Step 3: Cross multiply
    1,092,072.68x = 1,507,828.74 × 766,078.76
  4. Step 4: Simplify right side
    1,092,072.68x = 1,155,115,571,431.56
  5. Step 5: Solve for x
    x = 1,155,115,571,431.56/1,092,072.68
  6. Step 6: Final answer
    x = 1,057,727.74

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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.