Home / 1,638,316.10-2,457,472.03-440,238.43

Finding the Fourth Proportional to 1,638,316.10, 2,457,472.03 and 440,238.43

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Solution

The fourth proportional to 1,638,316.10, 2,457,472.03 and 440,238.43 is: 660,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,316.10 : 2,457,472.03 = 440,238.43 : x
  2. Step 2: Convert to fraction form
    1,638,316.10/2,457,472.03 = 440,238.43/x
  3. Step 3: Cross multiply
    1,638,316.10x = 2,457,472.03 × 440,238.43
  4. Step 4: Simplify right side
    1,638,316.10x = 1,081,873,628,256.11
  5. Step 5: Solve for x
    x = 1,081,873,628,256.11/1,638,316.10
  6. Step 6: Final answer
    x = 660,357.08

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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.