Home / 1,484,998.12-2,049,305.70-840,419.56

Finding the Fourth Proportional to 1,484,998.12, 2,049,305.70 and 840,419.56

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Solution

The fourth proportional to 1,484,998.12, 2,049,305.70 and 840,419.56 is: 1,159,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,998.12 : 2,049,305.70 = 840,419.56 : x
  2. Step 2: Convert to fraction form
    1,484,998.12/2,049,305.70 = 840,419.56/x
  3. Step 3: Cross multiply
    1,484,998.12x = 2,049,305.70 × 840,419.56
  4. Step 4: Simplify right side
    1,484,998.12x = 1,722,276,594,699.49
  5. Step 5: Solve for x
    x = 1,722,276,594,699.49/1,484,998.12
  6. Step 6: Final answer
    x = 1,159,783.69

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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.