Home / 906,020.20-1,359,467.70-639,206.20

Finding the Fourth Proportional to 906,020.20, 1,359,467.70 and 639,206.20

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Solution

The fourth proportional to 906,020.20, 1,359,467.70 and 639,206.20 is: 959,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,020.20 : 1,359,467.70 = 639,206.20 : x
  2. Step 2: Convert to fraction form
    906,020.20/1,359,467.70 = 639,206.20/x
  3. Step 3: Cross multiply
    906,020.20x = 1,359,467.70 × 639,206.20
  4. Step 4: Simplify right side
    906,020.20x = 868,980,182,539.74
  5. Step 5: Solve for x
    x = 868,980,182,539.74/906,020.20
  6. Step 6: Final answer
    x = 959,117.89

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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.