Home / 1,158,872.40-1,738,308.60-410,821.20

Finding the Fourth Proportional to 1,158,872.40, 1,738,308.60 and 410,821.20

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Solution

The fourth proportional to 1,158,872.40, 1,738,308.60 and 410,821.20 is: 616,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,872.40 : 1,738,308.60 = 410,821.20 : x
  2. Step 2: Convert to fraction form
    1,158,872.40/1,738,308.60 = 410,821.20/x
  3. Step 3: Cross multiply
    1,158,872.40x = 1,738,308.60 × 410,821.20
  4. Step 4: Simplify right side
    1,158,872.40x = 714,134,025,022.32
  5. Step 5: Solve for x
    x = 714,134,025,022.32/1,158,872.40
  6. Step 6: Final answer
    x = 616,231.80

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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.