Home / 1,250,309.90-1,725,427.49-677,349.92

Finding the Fourth Proportional to 1,250,309.90, 1,725,427.49 and 677,349.92

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Solution

The fourth proportional to 1,250,309.90, 1,725,427.49 and 677,349.92 is: 934,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,309.90 : 1,725,427.49 = 677,349.92 : x
  2. Step 2: Convert to fraction form
    1,250,309.90/1,725,427.49 = 677,349.92/x
  3. Step 3: Cross multiply
    1,250,309.90x = 1,725,427.49 × 677,349.92
  4. Step 4: Simplify right side
    1,250,309.90x = 1,168,718,160,303.41
  5. Step 5: Solve for x
    x = 1,168,718,160,303.41/1,250,309.90
  6. Step 6: Final answer
    x = 934,742.79

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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.