Home / 1,077,108.02-1,615,657.16-278,321.66

Finding the Fourth Proportional to 1,077,108.02, 1,615,657.16 and 278,321.66

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Solution

The fourth proportional to 1,077,108.02, 1,615,657.16 and 278,321.66 is: 417,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,108.02 : 1,615,657.16 = 278,321.66 : x
  2. Step 2: Convert to fraction form
    1,077,108.02/1,615,657.16 = 278,321.66/x
  3. Step 3: Cross multiply
    1,077,108.02x = 1,615,657.16 × 278,321.66
  4. Step 4: Simplify right side
    1,077,108.02x = 449,672,382,762.09
  5. Step 5: Solve for x
    x = 449,672,382,762.09/1,077,108.02
  6. Step 6: Final answer
    x = 417,481.23

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Double scale
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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.