Home / 1,140,861.31-1,711,180.53-299,413.06

Finding the Fourth Proportional to 1,140,861.31, 1,711,180.53 and 299,413.06

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Solution

The fourth proportional to 1,140,861.31, 1,711,180.53 and 299,413.06 is: 449,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,861.31 : 1,711,180.53 = 299,413.06 : x
  2. Step 2: Convert to fraction form
    1,140,861.31/1,711,180.53 = 299,413.06/x
  3. Step 3: Cross multiply
    1,140,861.31x = 1,711,180.53 × 299,413.06
  4. Step 4: Simplify right side
    1,140,861.31x = 512,349,793,298.97
  5. Step 5: Solve for x
    x = 512,349,793,298.97/1,140,861.31
  6. Step 6: Final answer
    x = 449,090.34

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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.