Home / 1,206,947.96-1,810,421.66-308,391.38

Finding the Fourth Proportional to 1,206,947.96, 1,810,421.66 and 308,391.38

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Solution

The fourth proportional to 1,206,947.96, 1,810,421.66 and 308,391.38 is: 462,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,947.96 : 1,810,421.66 = 308,391.38 : x
  2. Step 2: Convert to fraction form
    1,206,947.96/1,810,421.66 = 308,391.38/x
  3. Step 3: Cross multiply
    1,206,947.96x = 1,810,421.66 × 308,391.38
  4. Step 4: Simplify right side
    1,206,947.96x = 558,318,434,109.29
  5. Step 5: Solve for x
    x = 558,318,434,109.29/1,206,947.96
  6. Step 6: Final answer
    x = 462,587.00

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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.