Home / 1,780,869.76-2,457,238.08-1,055,398.24

Finding the Fourth Proportional to 1,780,869.76, 2,457,238.08 and 1,055,398.24

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Solution

The fourth proportional to 1,780,869.76, 2,457,238.08 and 1,055,398.24 is: 1,456,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,869.76 : 2,457,238.08 = 1,055,398.24 : x
  2. Step 2: Convert to fraction form
    1,780,869.76/2,457,238.08 = 1,055,398.24/x
  3. Step 3: Cross multiply
    1,780,869.76x = 2,457,238.08 × 1,055,398.24
  4. Step 4: Simplify right side
    1,780,869.76x = 2,593,364,744,892.98
  5. Step 5: Solve for x
    x = 2,593,364,744,892.98/1,780,869.76
  6. Step 6: Final answer
    x = 1,456,234.93

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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.