Home / 1,250,371.32-1,725,520.70-677,411.49

Finding the Fourth Proportional to 1,250,371.32, 1,725,520.70 and 677,411.49

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Solution

The fourth proportional to 1,250,371.32, 1,725,520.70 and 677,411.49 is: 934,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,371.32 : 1,725,520.70 = 677,411.49 : x
  2. Step 2: Convert to fraction form
    1,250,371.32/1,725,520.70 = 677,411.49/x
  3. Step 3: Cross multiply
    1,250,371.32x = 1,725,520.70 × 677,411.49
  4. Step 4: Simplify right side
    1,250,371.32x = 1,168,887,544,965.80
  5. Step 5: Solve for x
    x = 1,168,887,544,965.80/1,250,371.32
  6. Step 6: Final answer
    x = 934,832.34

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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.