Home / 1,193,579.38-1,647,160.50-649,730.80

Finding the Fourth Proportional to 1,193,579.38, 1,647,160.50 and 649,730.80

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Solution

The fourth proportional to 1,193,579.38, 1,647,160.50 and 649,730.80 is: 896,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,579.38 : 1,647,160.50 = 649,730.80 : x
  2. Step 2: Convert to fraction form
    1,193,579.38/1,647,160.50 = 649,730.80/x
  3. Step 3: Cross multiply
    1,193,579.38x = 1,647,160.50 × 649,730.80
  4. Step 4: Simplify right side
    1,193,579.38x = 1,070,210,909,393.40
  5. Step 5: Solve for x
    x = 1,070,210,909,393.40/1,193,579.38
  6. Step 6: Final answer
    x = 896,639.91

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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.