Home / 753,227.03-1,133,912.67-686,189.90

Finding the Fourth Proportional to 753,227.03, 1,133,912.67 and 686,189.90

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Solution

The fourth proportional to 753,227.03, 1,133,912.67 and 686,189.90 is: 1,032,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,227.03 : 1,133,912.67 = 686,189.90 : x
  2. Step 2: Convert to fraction form
    753,227.03/1,133,912.67 = 686,189.90/x
  3. Step 3: Cross multiply
    753,227.03x = 1,133,912.67 × 686,189.90
  4. Step 4: Simplify right side
    753,227.03x = 778,079,415,966.47
  5. Step 5: Solve for x
    x = 778,079,415,966.47/753,227.03
  6. Step 6: Final answer
    x = 1,032,994.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.