Home / 1,238,627.76-1,857,944.54-340,081.80

Finding the Fourth Proportional to 1,238,627.76, 1,857,944.54 and 340,081.80

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Solution

The fourth proportional to 1,238,627.76, 1,857,944.54 and 340,081.80 is: 510,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,627.76 : 1,857,944.54 = 340,081.80 : x
  2. Step 2: Convert to fraction form
    1,238,627.76/1,857,944.54 = 340,081.80/x
  3. Step 3: Cross multiply
    1,238,627.76x = 1,857,944.54 × 340,081.80
  4. Step 4: Simplify right side
    1,238,627.76x = 631,853,123,463.37
  5. Step 5: Solve for x
    x = 631,853,123,463.37/1,238,627.76
  6. Step 6: Final answer
    x = 510,123.50

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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.