Home / 1,158,721.60-1,738,255.20-410,708.80

Finding the Fourth Proportional to 1,158,721.60, 1,738,255.20 and 410,708.80

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Solution

The fourth proportional to 1,158,721.60, 1,738,255.20 and 410,708.80 is: 616,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,721.60 : 1,738,255.20 = 410,708.80 : x
  2. Step 2: Convert to fraction form
    1,158,721.60/1,738,255.20 = 410,708.80/x
  3. Step 3: Cross multiply
    1,158,721.60x = 1,738,255.20 × 410,708.80
  4. Step 4: Simplify right side
    1,158,721.60x = 713,916,707,285.76
  5. Step 5: Solve for x
    x = 713,916,707,285.76/1,158,721.60
  6. Step 6: Final answer
    x = 616,124.45

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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.