Home / 1,127,472.66-1,691,028.97-328,567.34

Finding the Fourth Proportional to 1,127,472.66, 1,691,028.97 and 328,567.34

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Solution

The fourth proportional to 1,127,472.66, 1,691,028.97 and 328,567.34 is: 492,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,472.66 : 1,691,028.97 = 328,567.34 : x
  2. Step 2: Convert to fraction form
    1,127,472.66/1,691,028.97 = 328,567.34/x
  3. Step 3: Cross multiply
    1,127,472.66x = 1,691,028.97 × 328,567.34
  4. Step 4: Simplify right side
    1,127,472.66x = 555,616,893,941.99
  5. Step 5: Solve for x
    x = 555,616,893,941.99/1,127,472.66
  6. Step 6: Final answer
    x = 492,798.55

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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.