Home / 1,780,502.04-2,457,213.37-1,005,864.21

Finding the Fourth Proportional to 1,780,502.04, 2,457,213.37 and 1,005,864.21

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Solution

The fourth proportional to 1,780,502.04, 2,457,213.37 and 1,005,864.21 is: 1,388,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,502.04 : 2,457,213.37 = 1,005,864.21 : x
  2. Step 2: Convert to fraction form
    1,780,502.04/2,457,213.37 = 1,005,864.21/x
  3. Step 3: Cross multiply
    1,780,502.04x = 2,457,213.37 × 1,005,864.21
  4. Step 4: Simplify right side
    1,780,502.04x = 2,471,622,982,701.83
  5. Step 5: Solve for x
    x = 2,471,622,982,701.83/1,780,502.04
  6. Step 6: Final answer
    x = 1,388,160.71

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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.