Home / 1,456,134.60-2,183,618.70-509,017.80

Finding the Fourth Proportional to 1,456,134.60, 2,183,618.70 and 509,017.80

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Solution

The fourth proportional to 1,456,134.60, 2,183,618.70 and 509,017.80 is: 763,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,134.60 : 2,183,618.70 = 509,017.80 : x
  2. Step 2: Convert to fraction form
    1,456,134.60/2,183,618.70 = 509,017.80/x
  3. Step 3: Cross multiply
    1,456,134.60x = 2,183,618.70 × 509,017.80
  4. Step 4: Simplify right side
    1,456,134.60x = 1,111,500,786,712.86
  5. Step 5: Solve for x
    x = 1,111,500,786,712.86/1,456,134.60
  6. Step 6: Final answer
    x = 763,322.83

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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.