Home / 1,004,113.20-1,504,128.60-623,866.80

Finding the Fourth Proportional to 1,004,113.20, 1,504,128.60 and 623,866.80

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Solution

The fourth proportional to 1,004,113.20, 1,504,128.60 and 623,866.80 is: 934,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,113.20 : 1,504,128.60 = 623,866.80 : x
  2. Step 2: Convert to fraction form
    1,004,113.20/1,504,128.60 = 623,866.80/x
  3. Step 3: Cross multiply
    1,004,113.20x = 1,504,128.60 × 623,866.80
  4. Step 4: Simplify right side
    1,004,113.20x = 938,375,896,470.48
  5. Step 5: Solve for x
    x = 938,375,896,470.48/1,004,113.20
  6. Step 6: Final answer
    x = 934,531.98

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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.