Home / 1,325,574.28-1,986,507.79-717,048.82

Finding the Fourth Proportional to 1,325,574.28, 1,986,507.79 and 717,048.82

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Solution

The fourth proportional to 1,325,574.28, 1,986,507.79 and 717,048.82 is: 1,074,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,574.28 : 1,986,507.79 = 717,048.82 : x
  2. Step 2: Convert to fraction form
    1,325,574.28/1,986,507.79 = 717,048.82/x
  3. Step 3: Cross multiply
    1,325,574.28x = 1,986,507.79 × 717,048.82
  4. Step 4: Simplify right side
    1,325,574.28x = 1,424,423,067,430.82
  5. Step 5: Solve for x
    x = 1,424,423,067,430.82/1,325,574.28
  6. Step 6: Final answer
    x = 1,074,570.54

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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.