Home / 1,127,549.41-1,691,572.89-328,893.46

Finding the Fourth Proportional to 1,127,549.41, 1,691,572.89 and 328,893.46

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Solution

The fourth proportional to 1,127,549.41, 1,691,572.89 and 328,893.46 is: 493,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,549.41 : 1,691,572.89 = 328,893.46 : x
  2. Step 2: Convert to fraction form
    1,127,549.41/1,691,572.89 = 328,893.46/x
  3. Step 3: Cross multiply
    1,127,549.41x = 1,691,572.89 × 328,893.46
  4. Step 4: Simplify right side
    1,127,549.41x = 556,347,260,634.30
  5. Step 5: Solve for x
    x = 556,347,260,634.30/1,127,549.41
  6. Step 6: Final answer
    x = 493,412.75

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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.