Home / 1,407,485.40-1,942,333.16-762,904.84

Finding the Fourth Proportional to 1,407,485.40, 1,942,333.16 and 762,904.84

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Solution

The fourth proportional to 1,407,485.40, 1,942,333.16 and 762,904.84 is: 1,052,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,485.40 : 1,942,333.16 = 762,904.84 : x
  2. Step 2: Convert to fraction form
    1,407,485.40/1,942,333.16 = 762,904.84/x
  3. Step 3: Cross multiply
    1,407,485.40x = 1,942,333.16 × 762,904.84
  4. Step 4: Simplify right side
    1,407,485.40x = 1,481,815,368,656.49
  5. Step 5: Solve for x
    x = 1,481,815,368,656.49/1,407,485.40
  6. Step 6: Final answer
    x = 1,052,810.47

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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.