Home / 1,294,348.20-1,940,064.30-620,752.20

Finding the Fourth Proportional to 1,294,348.20, 1,940,064.30 and 620,752.20

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Solution

The fourth proportional to 1,294,348.20, 1,940,064.30 and 620,752.20 is: 930,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,348.20 : 1,940,064.30 = 620,752.20 : x
  2. Step 2: Convert to fraction form
    1,294,348.20/1,940,064.30 = 620,752.20/x
  3. Step 3: Cross multiply
    1,294,348.20x = 1,940,064.30 × 620,752.20
  4. Step 4: Simplify right side
    1,294,348.20x = 1,204,299,182,366.46
  5. Step 5: Solve for x
    x = 1,204,299,182,366.46/1,294,348.20
  6. Step 6: Final answer
    x = 930,429.06

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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.