Home / 1,557,072.80-2,332,844.40-965,405.60

Finding the Fourth Proportional to 1,557,072.80, 2,332,844.40 and 965,405.60

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Solution

The fourth proportional to 1,557,072.80, 2,332,844.40 and 965,405.60 is: 1,446,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,072.80 : 2,332,844.40 = 965,405.60 : x
  2. Step 2: Convert to fraction form
    1,557,072.80/2,332,844.40 = 965,405.60/x
  3. Step 3: Cross multiply
    1,557,072.80x = 2,332,844.40 × 965,405.60
  4. Step 4: Simplify right side
    1,557,072.80x = 2,252,141,047,688.64
  5. Step 5: Solve for x
    x = 2,252,141,047,688.64/1,557,072.80
  6. Step 6: Final answer
    x = 1,446,394.19

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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.