Home / 1,992,585.36-2,988,656.56-713,141.16

Finding the Fourth Proportional to 1,992,585.36, 2,988,656.56 and 713,141.16

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Solution

The fourth proportional to 1,992,585.36, 2,988,656.56 and 713,141.16 is: 1,069,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,585.36 : 2,988,656.56 = 713,141.16 : x
  2. Step 2: Convert to fraction form
    1,992,585.36/2,988,656.56 = 713,141.16/x
  3. Step 3: Cross multiply
    1,992,585.36x = 2,988,656.56 × 713,141.16
  4. Step 4: Simplify right side
    1,992,585.36x = 2,131,334,006,040.01
  5. Step 5: Solve for x
    x = 2,131,334,006,040.01/1,992,585.36
  6. Step 6: Final answer
    x = 1,069,632.47

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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.