Home / 993,938.70-1,490,908.05-869,522.70

Finding the Fourth Proportional to 993,938.70, 1,490,908.05 and 869,522.70

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Solution

The fourth proportional to 993,938.70, 1,490,908.05 and 869,522.70 is: 1,304,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,938.70 : 1,490,908.05 = 869,522.70 : x
  2. Step 2: Convert to fraction form
    993,938.70/1,490,908.05 = 869,522.70/x
  3. Step 3: Cross multiply
    993,938.70x = 1,490,908.05 × 869,522.70
  4. Step 4: Simplify right side
    993,938.70x = 1,296,378,393,087.73
  5. Step 5: Solve for x
    x = 1,296,378,393,087.73/993,938.70
  6. Step 6: Final answer
    x = 1,304,284.05

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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.