Home / 1,202,772.45-1,802,239.56-881,435.19

Finding the Fourth Proportional to 1,202,772.45, 1,802,239.56 and 881,435.19

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Solution

The fourth proportional to 1,202,772.45, 1,802,239.56 and 881,435.19 is: 1,320,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,772.45 : 1,802,239.56 = 881,435.19 : x
  2. Step 2: Convert to fraction form
    1,202,772.45/1,802,239.56 = 881,435.19/x
  3. Step 3: Cross multiply
    1,202,772.45x = 1,802,239.56 × 881,435.19
  4. Step 4: Simplify right side
    1,202,772.45x = 1,588,557,368,994.12
  5. Step 5: Solve for x
    x = 1,588,557,368,994.12/1,202,772.45
  6. Step 6: Final answer
    x = 1,320,746.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.