Home / 832,015.60-1,248,023.40-823,721.20

Finding the Fourth Proportional to 832,015.60, 1,248,023.40 and 823,721.20

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Solution

The fourth proportional to 832,015.60, 1,248,023.40 and 823,721.20 is: 1,235,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,015.60 : 1,248,023.40 = 823,721.20 : x
  2. Step 2: Convert to fraction form
    832,015.60/1,248,023.40 = 823,721.20/x
  3. Step 3: Cross multiply
    832,015.60x = 1,248,023.40 × 823,721.20
  4. Step 4: Simplify right side
    832,015.60x = 1,028,023,332,676.08
  5. Step 5: Solve for x
    x = 1,028,023,332,676.08/832,015.60
  6. Step 6: Final answer
    x = 1,235,581.80

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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.