Home / 935,809.40-1,402,401.90-822,960.20

Finding the Fourth Proportional to 935,809.40, 1,402,401.90 and 822,960.20

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Solution

The fourth proportional to 935,809.40, 1,402,401.90 and 822,960.20 is: 1,233,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,809.40 : 1,402,401.90 = 822,960.20 : x
  2. Step 2: Convert to fraction form
    935,809.40/1,402,401.90 = 822,960.20/x
  3. Step 3: Cross multiply
    935,809.40x = 1,402,401.90 × 822,960.20
  4. Step 4: Simplify right side
    935,809.40x = 1,154,120,948,104.38
  5. Step 5: Solve for x
    x = 1,154,120,948,104.38/935,809.40
  6. Step 6: Final answer
    x = 1,233,286.34

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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.