Home / 1,270,077.37-1,752,681.72-718,782.87

Finding the Fourth Proportional to 1,270,077.37, 1,752,681.72 and 718,782.87

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Solution

The fourth proportional to 1,270,077.37, 1,752,681.72 and 718,782.87 is: 991,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,077.37 : 1,752,681.72 = 718,782.87 : x
  2. Step 2: Convert to fraction form
    1,270,077.37/1,752,681.72 = 718,782.87/x
  3. Step 3: Cross multiply
    1,270,077.37x = 1,752,681.72 × 718,782.87
  4. Step 4: Simplify right side
    1,270,077.37x = 1,259,797,596,898.14
  5. Step 5: Solve for x
    x = 1,259,797,596,898.14/1,270,077.37
  6. Step 6: Final answer
    x = 991,906.18

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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.