Home / 1,490,105.04-2,056,343.40-811,039.92

Finding the Fourth Proportional to 1,490,105.04, 2,056,343.40 and 811,039.92

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Solution

The fourth proportional to 1,490,105.04, 2,056,343.40 and 811,039.92 is: 1,119,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,105.04 : 2,056,343.40 = 811,039.92 : x
  2. Step 2: Convert to fraction form
    1,490,105.04/2,056,343.40 = 811,039.92/x
  3. Step 3: Cross multiply
    1,490,105.04x = 2,056,343.40 × 811,039.92
  4. Step 4: Simplify right side
    1,490,105.04x = 1,667,776,586,628.53
  5. Step 5: Solve for x
    x = 1,667,776,586,628.53/1,490,105.04
  6. Step 6: Final answer
    x = 1,119,234.24

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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.