Home / 1,127,480.48-1,691,040.64-328,575.12

Finding the Fourth Proportional to 1,127,480.48, 1,691,040.64 and 328,575.12

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Solution

The fourth proportional to 1,127,480.48, 1,691,040.64 and 328,575.12 is: 492,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,480.48 : 1,691,040.64 = 328,575.12 : x
  2. Step 2: Convert to fraction form
    1,127,480.48/1,691,040.64 = 328,575.12/x
  3. Step 3: Cross multiply
    1,127,480.48x = 1,691,040.64 × 328,575.12
  4. Step 4: Simplify right side
    1,127,480.48x = 555,633,881,212.88
  5. Step 5: Solve for x
    x = 555,633,881,212.88/1,127,480.48
  6. Step 6: Final answer
    x = 492,810.20

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1.5x scale

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.