Home / 1,306,277.89-1,802,348.01-762,103.08

Finding the Fourth Proportional to 1,306,277.89, 1,802,348.01 and 762,103.08

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Solution

The fourth proportional to 1,306,277.89, 1,802,348.01 and 762,103.08 is: 1,051,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,277.89 : 1,802,348.01 = 762,103.08 : x
  2. Step 2: Convert to fraction form
    1,306,277.89/1,802,348.01 = 762,103.08/x
  3. Step 3: Cross multiply
    1,306,277.89x = 1,802,348.01 × 762,103.08
  4. Step 4: Simplify right side
    1,306,277.89x = 1,373,574,969,652.87
  5. Step 5: Solve for x
    x = 1,373,574,969,652.87/1,306,277.89
  6. Step 6: Final answer
    x = 1,051,518.20

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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.