Home / 1,281,945.68-1,921,562.56-482,881.48

Finding the Fourth Proportional to 1,281,945.68, 1,921,562.56 and 482,881.48

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Solution

The fourth proportional to 1,281,945.68, 1,921,562.56 and 482,881.48 is: 723,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,945.68 : 1,921,562.56 = 482,881.48 : x
  2. Step 2: Convert to fraction form
    1,281,945.68/1,921,562.56 = 482,881.48/x
  3. Step 3: Cross multiply
    1,281,945.68x = 1,921,562.56 × 482,881.48
  4. Step 4: Simplify right side
    1,281,945.68x = 927,886,972,885.39
  5. Step 5: Solve for x
    x = 927,886,972,885.39/1,281,945.68
  6. Step 6: Final answer
    x = 723,811.46

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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.