Home / 1,338,927.12-1,847,712.56-727,074.36

Finding the Fourth Proportional to 1,338,927.12, 1,847,712.56 and 727,074.36

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Solution

The fourth proportional to 1,338,927.12, 1,847,712.56 and 727,074.36 is: 1,003,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,927.12 : 1,847,712.56 = 727,074.36 : x
  2. Step 2: Convert to fraction form
    1,338,927.12/1,847,712.56 = 727,074.36/x
  3. Step 3: Cross multiply
    1,338,927.12x = 1,847,712.56 × 727,074.36
  4. Step 4: Simplify right side
    1,338,927.12x = 1,343,424,427,025.96
  5. Step 5: Solve for x
    x = 1,343,424,427,025.96/1,338,927.12
  6. Step 6: Final answer
    x = 1,003,358.89

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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.