Home / 1,059,348.10-1,589,022.15-978,477.70

Finding the Fourth Proportional to 1,059,348.10, 1,589,022.15 and 978,477.70

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Solution

The fourth proportional to 1,059,348.10, 1,589,022.15 and 978,477.70 is: 1,467,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,348.10 : 1,589,022.15 = 978,477.70 : x
  2. Step 2: Convert to fraction form
    1,059,348.10/1,589,022.15 = 978,477.70/x
  3. Step 3: Cross multiply
    1,059,348.10x = 1,589,022.15 × 978,477.70
  4. Step 4: Simplify right side
    1,059,348.10x = 1,554,822,738,581.06
  5. Step 5: Solve for x
    x = 1,554,822,738,581.06/1,059,348.10
  6. Step 6: Final answer
    x = 1,467,716.55

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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.