Home / 923,897.40-1,384,679.70-818,921.40

Finding the Fourth Proportional to 923,897.40, 1,384,679.70 and 818,921.40

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Solution

The fourth proportional to 923,897.40, 1,384,679.70 and 818,921.40 is: 1,227,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,897.40 : 1,384,679.70 = 818,921.40 : x
  2. Step 2: Convert to fraction form
    923,897.40/1,384,679.70 = 818,921.40/x
  3. Step 3: Cross multiply
    923,897.40x = 1,384,679.70 × 818,921.40
  4. Step 4: Simplify right side
    923,897.40x = 1,133,943,838,475.58
  5. Step 5: Solve for x
    x = 1,133,943,838,475.58/923,897.40
  6. Step 6: Final answer
    x = 1,227,348.23

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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.