Home / 1,158,969.80-1,738,454.70-400,809.80

Finding the Fourth Proportional to 1,158,969.80, 1,738,454.70 and 400,809.80

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Solution

The fourth proportional to 1,158,969.80, 1,738,454.70 and 400,809.80 is: 601,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,969.80 : 1,738,454.70 = 400,809.80 : x
  2. Step 2: Convert to fraction form
    1,158,969.80/1,738,454.70 = 400,809.80/x
  3. Step 3: Cross multiply
    1,158,969.80x = 1,738,454.70 × 400,809.80
  4. Step 4: Simplify right side
    1,158,969.80x = 696,789,680,616.06
  5. Step 5: Solve for x
    x = 696,789,680,616.06/1,158,969.80
  6. Step 6: Final answer
    x = 601,214.70

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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.