Home / 1,310,435.55-1,966,402.37-711,445.41

Finding the Fourth Proportional to 1,310,435.55, 1,966,402.37 and 711,445.41

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Solution

The fourth proportional to 1,310,435.55, 1,966,402.37 and 711,445.41 is: 1,067,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,435.55 : 1,966,402.37 = 711,445.41 : x
  2. Step 2: Convert to fraction form
    1,310,435.55/1,966,402.37 = 711,445.41/x
  3. Step 3: Cross multiply
    1,310,435.55x = 1,966,402.37 × 711,445.41
  4. Step 4: Simplify right side
    1,310,435.55x = 1,398,987,942,128.24
  5. Step 5: Solve for x
    x = 1,398,987,942,128.24/1,310,435.55
  6. Step 6: Final answer
    x = 1,067,574.78

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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.