Home / 1,250,240.28-1,725,339.87-677,280.03

Finding the Fourth Proportional to 1,250,240.28, 1,725,339.87 and 677,280.03

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Solution

The fourth proportional to 1,250,240.28, 1,725,339.87 and 677,280.03 is: 934,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,240.28 : 1,725,339.87 = 677,280.03 : x
  2. Step 2: Convert to fraction form
    1,250,240.28/1,725,339.87 = 677,280.03/x
  3. Step 3: Cross multiply
    1,250,240.28x = 1,725,339.87 × 677,280.03
  4. Step 4: Simplify right side
    1,250,240.28x = 1,168,538,238,913.80
  5. Step 5: Solve for x
    x = 1,168,538,238,913.80/1,250,240.28
  6. Step 6: Final answer
    x = 934,650.93

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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.