Home / 1,338,894.81-1,847,669.00-727,042.64

Finding the Fourth Proportional to 1,338,894.81, 1,847,669.00 and 727,042.64

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Solution

The fourth proportional to 1,338,894.81, 1,847,669.00 and 727,042.64 is: 1,003,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,894.81 : 1,847,669.00 = 727,042.64 : x
  2. Step 2: Convert to fraction form
    1,338,894.81/1,847,669.00 = 727,042.64/x
  3. Step 3: Cross multiply
    1,338,894.81x = 1,847,669.00 × 727,042.64
  4. Step 4: Simplify right side
    1,338,894.81x = 1,343,334,134,732.60
  5. Step 5: Solve for x
    x = 1,343,334,134,732.60/1,338,894.81
  6. Step 6: Final answer
    x = 1,003,315.66

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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.