Home / 1,407,518.40-1,942,323.34-762,924.74

Finding the Fourth Proportional to 1,407,518.40, 1,942,323.34 and 762,924.74

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Solution

The fourth proportional to 1,407,518.40, 1,942,323.34 and 762,924.74 is: 1,052,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,518.40 : 1,942,323.34 = 762,924.74 : x
  2. Step 2: Convert to fraction form
    1,407,518.40/1,942,323.34 = 762,924.74/x
  3. Step 3: Cross multiply
    1,407,518.40x = 1,942,323.34 × 762,924.74
  4. Step 4: Simplify right side
    1,407,518.40x = 1,481,846,529,165.43
  5. Step 5: Solve for x
    x = 1,481,846,529,165.43/1,407,518.40
  6. Step 6: Final answer
    x = 1,052,807.93

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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.