Home / 1,456,412.68-2,009,917.62-811,837.48

Finding the Fourth Proportional to 1,456,412.68, 2,009,917.62 and 811,837.48

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Solution

The fourth proportional to 1,456,412.68, 2,009,917.62 and 811,837.48 is: 1,120,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,412.68 : 2,009,917.62 = 811,837.48 : x
  2. Step 2: Convert to fraction form
    1,456,412.68/2,009,917.62 = 811,837.48/x
  3. Step 3: Cross multiply
    1,456,412.68x = 2,009,917.62 × 811,837.48
  4. Step 4: Simplify right side
    1,456,412.68x = 1,631,726,455,628.40
  5. Step 5: Solve for x
    x = 1,631,726,455,628.40/1,456,412.68
  6. Step 6: Final answer
    x = 1,120,373.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.