Home / 1,298,592.90-1,947,889.32-351,963.60

Finding the Fourth Proportional to 1,298,592.90, 1,947,889.32 and 351,963.60

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Solution

The fourth proportional to 1,298,592.90, 1,947,889.32 and 351,963.60 is: 527,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,592.90 : 1,947,889.32 = 351,963.60 : x
  2. Step 2: Convert to fraction form
    1,298,592.90/1,947,889.32 = 351,963.60/x
  3. Step 3: Cross multiply
    1,298,592.90x = 1,947,889.32 × 351,963.60
  4. Step 4: Simplify right side
    1,298,592.90x = 685,586,137,468.75
  5. Step 5: Solve for x
    x = 685,586,137,468.75/1,298,592.90
  6. Step 6: Final answer
    x = 527,945.39

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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.