Home / 1,306,223.22-1,958,308.13-825,439.80

Finding the Fourth Proportional to 1,306,223.22, 1,958,308.13 and 825,439.80

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Solution

The fourth proportional to 1,306,223.22, 1,958,308.13 and 825,439.80 is: 1,237,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,223.22 : 1,958,308.13 = 825,439.80 : x
  2. Step 2: Convert to fraction form
    1,306,223.22/1,958,308.13 = 825,439.80/x
  3. Step 3: Cross multiply
    1,306,223.22x = 1,958,308.13 × 825,439.80
  4. Step 4: Simplify right side
    1,306,223.22x = 1,616,465,457,246.83
  5. Step 5: Solve for x
    x = 1,616,465,457,246.83/1,306,223.22
  6. Step 6: Final answer
    x = 1,237,510.89

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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.