Home / 1,260,960.90-1,889,363.70-727,551.60

Finding the Fourth Proportional to 1,260,960.90, 1,889,363.70 and 727,551.60

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Solution

The fourth proportional to 1,260,960.90, 1,889,363.70 and 727,551.60 is: 1,090,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,960.90 : 1,889,363.70 = 727,551.60 : x
  2. Step 2: Convert to fraction form
    1,260,960.90/1,889,363.70 = 727,551.60/x
  3. Step 3: Cross multiply
    1,260,960.90x = 1,889,363.70 × 727,551.60
  4. Step 4: Simplify right side
    1,260,960.90x = 1,374,609,582,916.92
  5. Step 5: Solve for x
    x = 1,374,609,582,916.92/1,260,960.90
  6. Step 6: Final answer
    x = 1,090,128.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.