Home / 987,537.18-1,481,604.48-699,905.16

Finding the Fourth Proportional to 987,537.18, 1,481,604.48 and 699,905.16

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Solution

The fourth proportional to 987,537.18, 1,481,604.48 and 699,905.16 is: 1,050,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,537.18 : 1,481,604.48 = 699,905.16 : x
  2. Step 2: Convert to fraction form
    987,537.18/1,481,604.48 = 699,905.16/x
  3. Step 3: Cross multiply
    987,537.18x = 1,481,604.48 × 699,905.16
  4. Step 4: Simplify right side
    987,537.18x = 1,036,982,620,631.12
  5. Step 5: Solve for x
    x = 1,036,982,620,631.12/987,537.18
  6. Step 6: Final answer
    x = 1,050,069.45

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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.