Home / 1,321,191.90-1,823,133.47-732,507.05

Finding the Fourth Proportional to 1,321,191.90, 1,823,133.47 and 732,507.05

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Solution

The fourth proportional to 1,321,191.90, 1,823,133.47 and 732,507.05 is: 1,010,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,191.90 : 1,823,133.47 = 732,507.05 : x
  2. Step 2: Convert to fraction form
    1,321,191.90/1,823,133.47 = 732,507.05/x
  3. Step 3: Cross multiply
    1,321,191.90x = 1,823,133.47 × 732,507.05
  4. Step 4: Simplify right side
    1,321,191.90x = 1,335,458,107,087.76
  5. Step 5: Solve for x
    x = 1,335,458,107,087.76/1,321,191.90
  6. Step 6: Final answer
    x = 1,010,797.98

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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.