Home / 1,323,016.74-1,982,027.84-781,657.70

Finding the Fourth Proportional to 1,323,016.74, 1,982,027.84 and 781,657.70

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Solution

The fourth proportional to 1,323,016.74, 1,982,027.84 and 781,657.70 is: 1,171,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,016.74 : 1,982,027.84 = 781,657.70 : x
  2. Step 2: Convert to fraction form
    1,323,016.74/1,982,027.84 = 781,657.70/x
  3. Step 3: Cross multiply
    1,323,016.74x = 1,982,027.84 × 781,657.70
  4. Step 4: Simplify right side
    1,323,016.74x = 1,549,267,322,750.37
  5. Step 5: Solve for x
    x = 1,549,267,322,750.37/1,323,016.74
  6. Step 6: Final answer
    x = 1,171,011.13

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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.