Home / 1,433,187.75-1,977,573.09-821,222.83

Finding the Fourth Proportional to 1,433,187.75, 1,977,573.09 and 821,222.83

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Solution

The fourth proportional to 1,433,187.75, 1,977,573.09 and 821,222.83 is: 1,133,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,187.75 : 1,977,573.09 = 821,222.83 : x
  2. Step 2: Convert to fraction form
    1,433,187.75/1,977,573.09 = 821,222.83/x
  3. Step 3: Cross multiply
    1,433,187.75x = 1,977,573.09 × 821,222.83
  4. Step 4: Simplify right side
    1,433,187.75x = 1,624,028,169,501.64
  5. Step 5: Solve for x
    x = 1,624,028,169,501.64/1,433,187.75
  6. Step 6: Final answer
    x = 1,133,158.00

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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.