Home / 1,382,878.88-2,074,143.36-542,021.12

Finding the Fourth Proportional to 1,382,878.88, 2,074,143.36 and 542,021.12

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Solution

The fourth proportional to 1,382,878.88, 2,074,143.36 and 542,021.12 is: 812,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,878.88 : 2,074,143.36 = 542,021.12 : x
  2. Step 2: Convert to fraction form
    1,382,878.88/2,074,143.36 = 542,021.12/x
  3. Step 3: Cross multiply
    1,382,878.88x = 2,074,143.36 × 542,021.12
  4. Step 4: Simplify right side
    1,382,878.88x = 1,124,229,507,027.76
  5. Step 5: Solve for x
    x = 1,124,229,507,027.76/1,382,878.88
  6. Step 6: Final answer
    x = 812,963.10

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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.