Home / 1,250,270.87-1,725,371.28-677,312.42

Finding the Fourth Proportional to 1,250,270.87, 1,725,371.28 and 677,312.42

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Solution

The fourth proportional to 1,250,270.87, 1,725,371.28 and 677,312.42 is: 934,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,270.87 : 1,725,371.28 = 677,312.42 : x
  2. Step 2: Convert to fraction form
    1,250,270.87/1,725,371.28 = 677,312.42/x
  3. Step 3: Cross multiply
    1,250,270.87x = 1,725,371.28 × 677,312.42
  4. Step 4: Simplify right side
    1,250,270.87x = 1,168,615,388,428.44
  5. Step 5: Solve for x
    x = 1,168,615,388,428.44/1,250,270.87
  6. Step 6: Final answer
    x = 934,689.77

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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.