Home / 1,122,750.60-1,688,273.10-940,273.80

Finding the Fourth Proportional to 1,122,750.60, 1,688,273.10 and 940,273.80

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Solution

The fourth proportional to 1,122,750.60, 1,688,273.10 and 940,273.80 is: 1,413,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,750.60 : 1,688,273.10 = 940,273.80 : x
  2. Step 2: Convert to fraction form
    1,122,750.60/1,688,273.10 = 940,273.80/x
  3. Step 3: Cross multiply
    1,122,750.60x = 1,688,273.10 × 940,273.80
  4. Step 4: Simplify right side
    1,122,750.60x = 1,587,438,963,174.78
  5. Step 5: Solve for x
    x = 1,587,438,963,174.78/1,122,750.60
  6. Step 6: Final answer
    x = 1,413,883.87

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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.