Home / 1,671,867.72-2,305,756.26-1,127,917.08

Finding the Fourth Proportional to 1,671,867.72, 2,305,756.26 and 1,127,917.08

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Solution

The fourth proportional to 1,671,867.72, 2,305,756.26 and 1,127,917.08 is: 1,555,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,867.72 : 2,305,756.26 = 1,127,917.08 : x
  2. Step 2: Convert to fraction form
    1,671,867.72/2,305,756.26 = 1,127,917.08/x
  3. Step 3: Cross multiply
    1,671,867.72x = 2,305,756.26 × 1,127,917.08
  4. Step 4: Simplify right side
    1,671,867.72x = 2,600,701,867,970.92
  5. Step 5: Solve for x
    x = 2,600,701,867,970.92/1,671,867.72
  6. Step 6: Final answer
    x = 1,555,566.77

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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.