Home / 1,179,009.90-1,767,348.45-579,480.30

Finding the Fourth Proportional to 1,179,009.90, 1,767,348.45 and 579,480.30

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Solution

The fourth proportional to 1,179,009.90, 1,767,348.45 and 579,480.30 is: 868,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,009.90 : 1,767,348.45 = 579,480.30 : x
  2. Step 2: Convert to fraction form
    1,179,009.90/1,767,348.45 = 579,480.30/x
  3. Step 3: Cross multiply
    1,179,009.90x = 1,767,348.45 × 579,480.30
  4. Step 4: Simplify right side
    1,179,009.90x = 1,024,143,610,010.54
  5. Step 5: Solve for x
    x = 1,024,143,610,010.54/1,179,009.90
  6. Step 6: Final answer
    x = 868,647.17

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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.