Home / 987,077.80-1,481,272.80-560,612.80

Finding the Fourth Proportional to 987,077.80, 1,481,272.80 and 560,612.80

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Solution

The fourth proportional to 987,077.80, 1,481,272.80 and 560,612.80 is: 841,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,077.80 : 1,481,272.80 = 560,612.80 : x
  2. Step 2: Convert to fraction form
    987,077.80/1,481,272.80 = 560,612.80/x
  3. Step 3: Cross multiply
    987,077.80x = 1,481,272.80 × 560,612.80
  4. Step 4: Simplify right side
    987,077.80x = 830,420,491,971.84
  5. Step 5: Solve for x
    x = 830,420,491,971.84/987,077.80
  6. Step 6: Final answer
    x = 841,291.83

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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.