Home / 1,419,276.65-1,958,309.39-815,548.01

Finding the Fourth Proportional to 1,419,276.65, 1,958,309.39 and 815,548.01

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Solution

The fourth proportional to 1,419,276.65, 1,958,309.39 and 815,548.01 is: 1,125,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,276.65 : 1,958,309.39 = 815,548.01 : x
  2. Step 2: Convert to fraction form
    1,419,276.65/1,958,309.39 = 815,548.01/x
  3. Step 3: Cross multiply
    1,419,276.65x = 1,958,309.39 × 815,548.01
  4. Step 4: Simplify right side
    1,419,276.65x = 1,597,095,318,226.14
  5. Step 5: Solve for x
    x = 1,597,095,318,226.14/1,419,276.65
  6. Step 6: Final answer
    x = 1,125,288.24

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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.