Home / 1,419,150.76-2,129,533.98-520,472.68

Finding the Fourth Proportional to 1,419,150.76, 2,129,533.98 and 520,472.68

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Solution

The fourth proportional to 1,419,150.76, 2,129,533.98 and 520,472.68 is: 781,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,150.76 : 2,129,533.98 = 520,472.68 : x
  2. Step 2: Convert to fraction form
    1,419,150.76/2,129,533.98 = 520,472.68/x
  3. Step 3: Cross multiply
    1,419,150.76x = 2,129,533.98 × 520,472.68
  4. Step 4: Simplify right side
    1,419,150.76x = 1,108,364,257,721.67
  5. Step 5: Solve for x
    x = 1,108,364,257,721.67/1,419,150.76
  6. Step 6: Final answer
    x = 781,005.29

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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.