Home / 1,007,768.39-1,390,721.79-548,884.76

Finding the Fourth Proportional to 1,007,768.39, 1,390,721.79 and 548,884.76

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Solution

The fourth proportional to 1,007,768.39, 1,390,721.79 and 548,884.76 is: 757,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,768.39 : 1,390,721.79 = 548,884.76 : x
  2. Step 2: Convert to fraction form
    1,007,768.39/1,390,721.79 = 548,884.76/x
  3. Step 3: Cross multiply
    1,007,768.39x = 1,390,721.79 × 548,884.76
  4. Step 4: Simplify right side
    1,007,768.39x = 763,345,988,977.31
  5. Step 5: Solve for x
    x = 763,345,988,977.31/1,007,768.39
  6. Step 6: Final answer
    x = 757,461.73

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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.