Home / 1,178,644.20-1,767,966.30-680,980.20

Finding the Fourth Proportional to 1,178,644.20, 1,767,966.30 and 680,980.20

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Solution

The fourth proportional to 1,178,644.20, 1,767,966.30 and 680,980.20 is: 1,021,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,644.20 : 1,767,966.30 = 680,980.20 : x
  2. Step 2: Convert to fraction form
    1,178,644.20/1,767,966.30 = 680,980.20/x
  3. Step 3: Cross multiply
    1,178,644.20x = 1,767,966.30 × 680,980.20
  4. Step 4: Simplify right side
    1,178,644.20x = 1,203,950,044,567.26
  5. Step 5: Solve for x
    x = 1,203,950,044,567.26/1,178,644.20
  6. Step 6: Final answer
    x = 1,021,470.30

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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.