Home / 1,127,642.14-1,691,434.62-328,930.60

Finding the Fourth Proportional to 1,127,642.14, 1,691,434.62 and 328,930.60

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Solution

The fourth proportional to 1,127,642.14, 1,691,434.62 and 328,930.60 is: 493,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,642.14 : 1,691,434.62 = 328,930.60 : x
  2. Step 2: Convert to fraction form
    1,127,642.14/1,691,434.62 = 328,930.60/x
  3. Step 3: Cross multiply
    1,127,642.14x = 1,691,434.62 × 328,930.60
  4. Step 4: Simplify right side
    1,127,642.14x = 556,364,604,417.37
  5. Step 5: Solve for x
    x = 556,364,604,417.37/1,127,642.14
  6. Step 6: Final answer
    x = 493,387.56

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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.