Home / 1,521,773.24-2,100,113.12-842,709.76

Finding the Fourth Proportional to 1,521,773.24, 2,100,113.12 and 842,709.76

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Solution

The fourth proportional to 1,521,773.24, 2,100,113.12 and 842,709.76 is: 1,162,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,773.24 : 2,100,113.12 = 842,709.76 : x
  2. Step 2: Convert to fraction form
    1,521,773.24/2,100,113.12 = 842,709.76/x
  3. Step 3: Cross multiply
    1,521,773.24x = 2,100,113.12 × 842,709.76
  4. Step 4: Simplify right side
    1,521,773.24x = 1,769,785,823,328.05
  5. Step 5: Solve for x
    x = 1,769,785,823,328.05/1,521,773.24
  6. Step 6: Final answer
    x = 1,162,976.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.