Home / 1,673,976.78-2,309,989.86-910,023.66

Finding the Fourth Proportional to 1,673,976.78, 2,309,989.86 and 910,023.66

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Solution

The fourth proportional to 1,673,976.78, 2,309,989.86 and 910,023.66 is: 1,255,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,976.78 : 2,309,989.86 = 910,023.66 : x
  2. Step 2: Convert to fraction form
    1,673,976.78/2,309,989.86 = 910,023.66/x
  3. Step 3: Cross multiply
    1,673,976.78x = 2,309,989.86 × 910,023.66
  4. Step 4: Simplify right side
    1,673,976.78x = 2,102,145,426,960.09
  5. Step 5: Solve for x
    x = 2,102,145,426,960.09/1,673,976.78
  6. Step 6: Final answer
    x = 1,255,779.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.