Home / 1,345,282.24-2,017,923.36-1,278,011.20

Finding the Fourth Proportional to 1,345,282.24, 2,017,923.36 and 1,278,011.20

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Solution

The fourth proportional to 1,345,282.24, 2,017,923.36 and 1,278,011.20 is: 1,917,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,282.24 : 2,017,923.36 = 1,278,011.20 : x
  2. Step 2: Convert to fraction form
    1,345,282.24/2,017,923.36 = 1,278,011.20/x
  3. Step 3: Cross multiply
    1,345,282.24x = 2,017,923.36 × 1,278,011.20
  4. Step 4: Simplify right side
    1,345,282.24x = 2,578,928,654,821.63
  5. Step 5: Solve for x
    x = 2,578,928,654,821.63/1,345,282.24
  6. Step 6: Final answer
    x = 1,917,016.80

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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.