Home / 1,485,359.46-2,049,875.38-840,923.46

Finding the Fourth Proportional to 1,485,359.46, 2,049,875.38 and 840,923.46

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Solution

The fourth proportional to 1,485,359.46, 2,049,875.38 and 840,923.46 is: 1,160,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,359.46 : 2,049,875.38 = 840,923.46 : x
  2. Step 2: Convert to fraction form
    1,485,359.46/2,049,875.38 = 840,923.46/x
  3. Step 3: Cross multiply
    1,485,359.46x = 2,049,875.38 × 840,923.46
  4. Step 4: Simplify right side
    1,485,359.46x = 1,723,788,297,118.41
  5. Step 5: Solve for x
    x = 1,723,788,297,118.41/1,485,359.46
  6. Step 6: Final answer
    x = 1,160,519.28

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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.