Home / 1,579,480.90-2,181,012.30-999,726.79

Finding the Fourth Proportional to 1,579,480.90, 2,181,012.30 and 999,726.79

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Solution

The fourth proportional to 1,579,480.90, 2,181,012.30 and 999,726.79 is: 1,380,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,480.90 : 2,181,012.30 = 999,726.79 : x
  2. Step 2: Convert to fraction form
    1,579,480.90/2,181,012.30 = 999,726.79/x
  3. Step 3: Cross multiply
    1,579,480.90x = 2,181,012.30 × 999,726.79
  4. Step 4: Simplify right side
    1,579,480.90x = 2,180,416,420,176.99
  5. Step 5: Solve for x
    x = 2,180,416,420,176.99/1,579,480.90
  6. Step 6: Final answer
    x = 1,380,463.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.