Home / 1,457,546.80-2,011,421.53-804,172.78

Finding the Fourth Proportional to 1,457,546.80, 2,011,421.53 and 804,172.78

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Solution

The fourth proportional to 1,457,546.80, 2,011,421.53 and 804,172.78 is: 1,109,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,546.80 : 2,011,421.53 = 804,172.78 : x
  2. Step 2: Convert to fraction form
    1,457,546.80/2,011,421.53 = 804,172.78/x
  3. Step 3: Cross multiply
    1,457,546.80x = 2,011,421.53 × 804,172.78
  4. Step 4: Simplify right side
    1,457,546.80x = 1,617,530,443,531.95
  5. Step 5: Solve for x
    x = 1,617,530,443,531.95/1,457,546.80
  6. Step 6: Final answer
    x = 1,109,762.27

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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.