Home / 1,127,472.48-1,691,028.69-328,567.15

Finding the Fourth Proportional to 1,127,472.48, 1,691,028.69 and 328,567.15

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Solution

The fourth proportional to 1,127,472.48, 1,691,028.69 and 328,567.15 is: 492,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,472.48 : 1,691,028.69 = 328,567.15 : x
  2. Step 2: Convert to fraction form
    1,127,472.48/1,691,028.69 = 328,567.15/x
  3. Step 3: Cross multiply
    1,127,472.48x = 1,691,028.69 × 328,567.15
  4. Step 4: Simplify right side
    1,127,472.48x = 555,616,471,371.13
  5. Step 5: Solve for x
    x = 555,616,471,371.13/1,127,472.48
  6. Step 6: Final answer
    x = 492,798.26

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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.